CC-Nutrition

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  • Healthy Eating vs Eating for Performance: Why They’re Not the Same Thing (And Why That’s OK)

    Healthy Eating vs Eating for Performance: Why They’re Not the Same Thing (And Why That’s OK)

    If there’s one thing the nutrition world loves more than arguing about carbohydrates, it’s arguing about what “healthy” actually means.

    Seriously.

    Spend five minutes online and you’ll find someone blaming carbohydrates, someone blaming seed oils, another blaming sugar, and somebody else explaining that the solution to all modern health problems is eating exactly as our ancestors did.

    Food debates have become the nutritional equivalent of football rivalries.

    Mention oat milk and someone will tell you it’s ultra-processed.

    Mention cow’s milk and somebody else will explain why humans weren’t designed to drink it.

    Say you enjoy bread and someone will warn you about inflammation.

    Say you avoid bread and somebody will tell you you’re missing out on essential fibre.

    Eggs have been a hero, a villain and then a hero again.

    Potatoes are either a nutrient-rich staple or a blood sugar catastrophe depending on who you’ve spoken to most recently.

    Coffee has somehow managed to be dehydrating, beneficial, dangerous, protective and essential over the course of my career.

    Then there are the social media nutrition detectives.

    You know the ones.

    The people capable of looking at a photo of your chicken wrap and determining that your hormones are dysfunctional, your microbiome is unhappy and your mitochondria have submitted a formal complaint.

    The problem isn’t that people disagree.

    The problem is that many people start believing nutrition has no answers at all.

    Yet despite all the noise, nutrition science agrees on far more than it disagrees on.

    And that’s where we start.

    Where Does the Idea of Healthy Eating Come From?

    The term “healthy eating” isn’t some modern wellness invention.

    Modern nutrition science originally developed through understanding deficiency diseases. Early researchers identified essential vitamins and minerals and their role in preventing conditions such as scurvy, rickets, pellagra and various forms of anaemia (Mozaffarian, Rosenberg and Uauy, 2018).

    For much of the twentieth century, nutrition science focused on answering one primary question:

    How do we stop people becoming deficient in essential nutrients?

    As infectious diseases became less prevalent and life expectancy increased, the conversation evolved.

    Researchers began asking:

    How do we keep people healthier for longer?

    This shift led to a greater focus on dietary patterns and their relationship with:

    • Cardiovascular disease
    • Type 2 diabetes
    • Obesity
    • Hypertension
    • Certain cancers

    This formed the basis of modern healthy eating recommendations.

    Today, organisations such as the World Health Organization describe healthy eating using principles including adequacy, balance, moderation and diversity. Similarly, public health models such as the NHS Eatwell Guide and Harvard’s Healthy Eating Plate provide evidence-based frameworks designed to improve long-term health outcomes.

    Despite what social media might tell you, most nutrition professionals agree on the fundamentals.

    Healthy eating generally includes:

    • Plenty of fruit and vegetables
    • Adequate protein intake
    • Fibre-rich foods
    • Wholegrain carbohydrate sources
    • Predominantly unsaturated fats
    • Appropriate energy intake
    • Limiting excessive amounts of highly processed foods

    Not exactly headline-grabbing.

    But often the most effective nutritional advice is also the most boring.

    And unfortunately for content creators, “eat more vegetables” rarely goes viral.

    What Healthy Eating Is Actually Trying to Achieve

    One of the biggest misunderstandings about healthy eating is assuming it exists to maximise athletic performance.

    It doesn’t.

    Healthy eating guidance is primarily designed for the general population.

    Its main goals include:

    Disease Prevention

    Reducing the risk of:

    • Heart disease
    • Stroke
    • Type 2 diabetes
    • Obesity
    • Certain cancers

    Nutritional Adequacy

    Helping individuals consume sufficient:

    • Vitamins
    • Minerals
    • Fibre
    • Essential fatty acids
    • Protein

    Energy Balance

    Supporting appropriate body weight and body composition for health.

    Long-Term Sustainability

    Providing an eating pattern that can realistically be maintained over decades rather than weeks.

    In simple terms, healthy eating asks:

    “What dietary approach gives somebody the best chance of remaining healthy throughout their life?”

    Performance nutrition asks a different question.

    What Is Eating for Performance?

    Performance nutrition is the application of nutritional science to maximise training, recovery and competition outcomes.

    The goal isn’t simply health.

    The goal is better performance.

    That performance might mean:

    • Running faster
    • Recovering quicker
    • Building muscle
    • Increasing strength
    • Improving body composition
    • Performing consistently during competition

    For athletes, every nutritional decision should support a specific outcome.

    That’s where performance nutrition differs from typical healthy eating advice.

    The end goal changes.

    And when the goal changes, so do some of the nutritional strategies.

    Why Athletes Sometimes Eat Differently

    One of the funniest things in nutrition is seeing somebody criticise an elite athlete’s nutrition plan because it contains foods they personally wouldn’t eat.

    Performance nutrition should never be judged in isolation.

    It must always be judged within the context of the demands being placed on the athlete.

    Sports Drinks

    Would I recommend drinking sports drinks while sitting at a desk answering emails?

    Probably not.

    Would I recommend sports drinks during a ninety-minute football match played at high intensity?

    Absolutely.

    The context completely changes the recommendation.

    High Carbohydrate Intakes

    Many athletes consume carbohydrate quantities that would make low-carbohydrate influencers clutch their air fryers in horror.

    But for athletes regularly completing demanding training sessions, carbohydrates remain the primary fuel source supporting high-intensity performance and recovery.

    Refined Carbohydrates

    Performance nutrition often includes foods such as:

    • White rice
    • White bread
    • Sports drinks
    • Energy gels
    • Breakfast cereals

    Not because they’re always “healthier.”

    But because sometimes rapid digestion and easy access to energy is exactly what’s required.

    A footballer’s nutritional needs during a match are very different to someone binge-watching Netflix on a Sunday afternoon.

    Neither situation is better or worse.

    The nutritional strategy simply needs to match the demand.

    The Biggest Mistake People Make

    The biggest mistake I see is treating health and performance as though they sit at opposite ends of a spectrum.

    They don’t.

    Performance is built on health.

    You cannot consistently perform at a high level if:

    • You’re chronically under-fuelled
    • You’re nutrient deficient
    • You’re getting ill regularly
    • You’re dehydrated
    • You’re recovering poorly
    • You’re sleeping badly

    At the same time, somebody could be eating a textbook healthy diet and still perform poorly if they’re not consuming enough energy to support training demands.

    Health and performance overlap.

    The most successful athletes recognise this.

    They don’t abandon healthy eating.

    They build upon it.

    The Performance Pyramid

    I often explain nutrition using a simple performance pyramid.

    Level 1: Health Foundations

    This is where most people should spend the majority of their attention.

    • Adequate energy intake
    • Quality sleep
    • Hydration
    • Fruit and vegetables
    • Protein
    • Fibre
    • Basic meal structure

    Without these foundations, everything else becomes significantly less effective.

    Level 2: Performance Nutrition

    Once the foundations are in place, we can start refining nutrition to support training.

    This includes:

    • Carbohydrate periodisation
    • Recovery nutrition
    • Match-day fuelling
    • Travel nutrition
    • Body composition strategies

    Level 3: Supplements

    The shiny stuff.

    The things people usually want to discuss first.

    This level includes:

    • Creatine
    • Caffeine
    • Nitrate supplementation
    • Protein powders

    The problem?

    Most people start at Level 3.

    Most people need to spend more time at Level 1.

    It’s incredibly difficult to supplement your way out of poor nutritional habits.

    Trust me, plenty have tried.

    Healthy Eating Is the House, Performance Nutrition Is the Upgrade

    I often think of healthy eating as building a house.

    Fruit, vegetables, protein, hydration, sleep and balanced meals are the foundations.

    Performance nutrition is what you add once the house is standing.

    The kitchen extension.

    The underfloor heating.

    The cinema room.

    The smart technology.

    All useful additions.

    But none of them matter much if the foundations are wobbling.

    Unfortunately, many people approach nutrition the other way around.

    They spend hours researching supplements while treating vegetables as a seasonal inconvenience.

    It’s the nutritional equivalent of putting racing stripes on a Ford Fiesta and expecting Formula One performance.

    So Which Matters More?

    The answer is both.

    For most athletes and active individuals, the question shouldn’t be:

    “Should I eat healthily or eat for performance?”

    The better question is:

    “How can I eat for performance whilst maintaining the foundations of health?”

    That means:

    • Eating enough
    • Prioritising protein
    • Matching carbohydrate intake to training demands
    • Prioritising recovery
    • Staying hydrated
    • Consuming nutrient-dense foods
    • Using supplements strategically rather than emotionally

    The foundations remain the foundations.

    Performance nutrition simply builds on them.

    Built for Performance Vol. 1: 15-Minute Performance Meals

    One of the biggest barriers to good nutrition isn’t knowledge.

    It’s practicality.

    Most athletes know they should eat better.

    Most people understand recovery matters.

    Most people understand the importance of protein.

    The challenge is fitting all of that into a busy schedule.

    That’s exactly why I created Built for Performance Vol. 1: 15-Minute Performance Meals.

    The goal was simple:

    Create practical recipes that support both health and performance without requiring three free hours, seventeen ingredients and the patience of a Michelin-starred chef.

    Inside you’ll find:

    ✅ High-protein performance meals

    ✅ Recipes ready in 15 minutes or less

    ✅ Practical ingredients available in most supermarkets

    ✅ Meals designed to support recovery and adaptation

    ✅ Simple preparation methods

    ✅ Options for athletes, busy professionals and active families

    Because the best nutrition plan isn’t the perfect one.

    It’s the one you can actually follow consistently.

    If you’re looking for simple ways to eat well, fuel training and recover effectively, Built for Performance Vol. 1: 15-Minute Performance Meals was created with exactly that in mind.

    Final Thoughts

    Healthy eating has become one of the most debated phrases in nutrition.

    Ironically, most experts actually agree on the fundamentals.

    Eat plenty of fruit and vegetables.

    Consume enough protein.

    Get enough fibre.

    Stay hydrated.

    Match your intake to your needs.

    The real difference comes when performance enters the conversation.

    Performance nutrition doesn’t replace healthy eating.

    It doesn’t dismiss healthy eating.

    And it certainly shouldn’t ignore healthy eating.

    Instead, it takes those same foundations and adapts them to help athletes train harder, recover faster and perform better.

    So before worrying about nutrient timing down to the nearest seven minutes, or whether your post-training shake contains ingredients harvested under a full moon by sports nutrition monks, ask yourself one simple question:

    Have you nailed the basics?

    Because the boring stuff is usually the important stuff.

    And annoyingly, nutrition keeps proving that over and over again.

    Frequently Asked Questions

    Is eating for performance healthy?

    Generally, yes.

    Well-designed performance nutrition plans are built upon the foundations of healthy eating. The main difference is that additional strategies may be used to optimise training, recovery and competition performance.

    Can you be healthy but still perform poorly?

    Absolutely.

    Someone may meet all the recommendations for general health but still under-fuel for their training demands. Health and performance overlap, but they are not exactly the same thing.

    Why do athletes eat so many carbohydrates?

    Carbohydrates are the body’s preferred fuel source during high-intensity exercise. Athletes with heavy training schedules require significantly greater carbohydrate intakes than the general population.

    Is healthy eating enough for athletes?

    Healthy eating provides the foundation, but athletes often need additional consideration around energy intake, recovery nutrition, carbohydrate availability, hydration and competition fuelling.

    Are sports drinks unhealthy?

    Not necessarily.

    Sports drinks are tools. For someone completing prolonged, high-intensity exercise they can be extremely useful. For someone sitting on the sofa all day, they’re probably unnecessary.

    What’s more important: healthy eating or supplements?

    Healthy eating.

    Every single time.

    Supplements should supplement a solid nutrition plan, not replace one.

    What is the biggest nutrition mistake athletes make?

    In my experience, it’s chasing advanced nutrition strategies before mastering the basics.

    Most athletes don’t need a more complicated nutrition plan.

    They need better consistency with the fundamentals.

    Related articles

    https://cc-nutrition.co.uk/2026/07/12/nutrition-periodisation-in-football/

    https://cc-nutrition.co.uk/2026/06/21/snacks-between-football-matches/

    https://cc-nutrition.co.uk/2026/06/20/youth-football-nutrition-guide-parents-performance-fuel-recovery/

    References

    Harvard T.H. Chan School of Public Health (2026) Healthy Eating Plate. Available at: https://nutritionsource.hsph.harvard.edu/healthy-eating-plate/

    Mozaffarian, D., Rosenberg, I. and Uauy, R. (2018) ‘History of modern nutrition science—implications for current research, dietary guidelines and food policy’, BMJ, 361, k2392.

    NHS (2026) The Eatwell Guide. Available at: https://www.nhs.uk/live-well/eat-well/food-guidelines-and-food-labels/the-eatwell-guide/

    World Health Organization (2026) Healthy Diet Fact Sheet. Available at: https://www.who.int/news-room/fact-sheets/detail/healthy-diet/

  • Nutrition Periodisation in Football: The Complete Guide to Fueling Performance, Recovery and Development

    Nutrition Periodisation in Football: The Complete Guide to Fueling Performance, Recovery and Development

    Nutrition Periodisation in Football: Fuel the Work Required

    If you ask most footballers what they ate yesterday, you’ll often hear a similar answer regardless of whether it was a match day, recovery day or gym session.

    The problem?

    Football performance doesn’t require the same amount of fuel every day.

    Modern sports nutrition has moved beyond simply “eating healthy” and now focuses on nutrition periodisation adjusting food intake to match training and competition demands. Research shows that aligning nutrition with workload can help optimise performance, recovery, adaptation and overall player availability throughout the season. 

    For footballers, parents and coaches, the message is simple:

    Fuel the work required.

    The harder the session, the greater the nutritional demand.

    What Is Nutrition Periodisation in Football?

    Nutrition periodisation is the strategic adjustment of:

    • Energy intake
    • Carbohydrate intake
    • Protein intake
    • Hydration
    • Recovery nutrition

    based on the demands of training and competition.

    Rather than eating the same foods and portions every day, players increase fuel when training loads are high and reduce intake when demands are lower.

    The UEFA Expert Group Statement on Nutrition in Elite Football identifies nutrition as a key component of supporting match performance, training quality, recovery and long-term player development. 

    Why Footballers Need Different Nutrition on Different Days

    Football is a high-intensity intermittent sport involving:

    • Sprinting
    • Accelerations
    • Decelerations
    • Changes of direction
    • Repeated high-intensity actions

    These actions rely heavily on muscle glycogen, the body’s stored form of carbohydrate. Low glycogen stores are associated with reduced running output, technical performance and decision-making quality during matches.

    This is why nutrition should fluctuate throughout the week.

    A recovery day does not require the same carbohydrate intake as a match day.

    Likewise, a double-training day requires significantly more fuel than a tactical walkthrough session.

    The Football Nutrition Periodisation Model

    Match Day Nutrition

    Objective: Maximise Performance

    Match days require the highest carbohydrate availability.

    Players should focus on:

    ✅ Carbohydrate-rich meals

    ✅ Adequate fluids

    ✅ Familiar foods

    ✅ Post-match recovery nutrition

    Example Match Day Foods

    • Porridge with banana and honey
    • Toast and jam
    • Bagels
    • Rice bowls
    • Pasta dishes
    • Fruit smoothies
    • Sports drinks where appropriate

    Elite football nutrition guidelines generally suggest carbohydrate intakes around 6-8g/kg body mass during high-demand periods, depending on individual requirements and playing load.

    High-Intensity Training Days

    Objective: Support Performance and Recovery

    Sessions might include:

    • Small-sided games
    • Speed training
    • Conditioning work
    • Gym and pitch sessions
    • High-volume tactical sessions

    These days place significant demands on muscle glycogen.

    Players who consistently under-fuel often experience:

    • Reduced energy levels
    • Lower training quality
    • Poor recovery
    • Increased illness risk
    • Increased injury risk

    Scientific evidence supports matching carbohydrate availability to the demands of training to maintain performance and adaptation.

    Recovery Days

    Objective: Recover While Supporting Health

    Recovery days are not starvation days.

    Instead, the emphasis shifts towards:

    • Recovery
    • Hydration
    • Protein intake
    • Fruit and vegetables
    • Micronutrient intake

    Players can moderately reduce carbohydrate portions while still maintaining good overall dietary quality.

    Examples include:

    • Smaller portions of rice
    • Fewer potatoes
    • Reduced pasta servings

    while maintaining protein intake and meal structure.

    Rest Days

    Objective: Prepare for the Next Training Block

    Rest day nutrition should focus on:

    • Muscle repair
    • Health
    • Recovery
    • Body composition goals

    Players should avoid dramatically restricting food intake, particularly during periods of growth and development.

    Protein Requirements for Footballers

    Unlike carbohydrate intake, protein requirements remain relatively consistent throughout the week.

    Protein supports:

    • Muscle recovery
    • Muscle growth
    • Training adaptations
    • Injury rehabilitation
    • Immune function

    Research suggests distributing protein evenly across meals and snacks to maximise recovery and adaptation.

    High-Quality Protein Sources

    • Milk
    • Greek yoghurt
    • Cottage cheese
    • Eggs
    • Chicken
    • Turkey
    • Lean beef
    • Fish
    • Whey protein

    Aim to include a quality protein source at every meal.

    Youth Football Nutrition: Advice for Parents

    One of the biggest mistakes in academy football is treating young athletes like sedentary teenagers.

    Growing footballers often require:

    • More energy
    • More carbohydrate
    • More protein
    • More fluids

    than their non-sporting peers.

    The UEFA Expert Group highlights the importance of appropriate nutrition for youth player development, growth and performance.

    Focus on Three Key Areas

    1. Consistent Eating Patterns

    Build meals around:

    • Breakfast
    • Lunch
    • Evening meal
    • 1-3 nutritious snacks

    2. Recovery Nutrition

    Following training:

    • Chocolate milk
    • Fruit smoothies
    • Chicken wraps
    • Yoghurt and granola

    can all support recovery.

    3. Avoid Under-Fuelling

    Young players often pursue physique goals at the expense of performance.

    Common signs of under-fuelling include:

    • Constant fatigue
    • Poor concentration
    • Increased illness
    • Reduced growth
    • Poor recovery

    Performance should always come before aesthetics.

    How the 15-Minute Performance Meals eBook Can Help

    Knowledge is rarely the issue.

    Practicality is.

    Players, parents and coaches are often balancing:

    • School
    • College
    • Work
    • Travel
    • Evening training

    This is where quick, performance-focused recipes become valuable.

    The 15-Minute Performance Meals eBook helps footballers:

    • Fuel match days effectively
    • Increase carbohydrate intake when required
    • Hit daily protein targets
    • Improve recovery
    • Build consistency
    • Reduce reliance on convenience foods

    Because the best nutrition strategy is the one that can actually be followed.

    Get yours here https://cc-nutrition.co.uk/product/15-min-performance-meals/

    Key Takeaways

    Nutrition periodisation allows footballers to:

    ✅ Perform better

    ✅ Recover faster

    ✅ Support growth and development

    ✅ Improve training quality

    ✅ Reduce the risk of under-fuelling

    ✅ Optimise body composition appropriately

    Remember:

    Don’t eat the same for every session. Fuel the work required.

    When nutrition matches the demands of football, players give themselves the best opportunity to perform, recover and develop throughout the season.

    Frequently Asked Questions (FAQ)

    What is nutrition periodisation in football?

    Nutrition periodisation is the practice of adjusting food and fluid intake according to training and match demands. High-intensity days require more fuel, particularly carbohydrates, while lighter days require less.

    Why are carbohydrates important for footballers?

    Carbohydrates provide the primary fuel source for high-intensity activities such as sprinting, pressing and repeated efforts during training and matches.

    Should footballers eat carbs on rest days?

    Yes. Carbohydrates should be reduced rather than eliminated. Rest days still require energy for recovery, health and preparation for future training sessions.

    How much protein do footballers need?

    Protein needs vary individually, but footballers benefit from consuming high-quality protein regularly throughout the day to support recovery and adaptation.

    What should a footballer eat after training?

    A recovery meal or snack containing both carbohydrate and protein is ideal. Examples include a smoothie, milkshake, yoghurt with fruit or a chicken wrap.

    Can young footballers follow nutrition periodisation?

    Yes. However, the focus should be on fuelling performance, recovery and growth rather than restricting calories.

    Related Articles

    https://cc-nutrition.co.uk/2026/06/29/injury-recovery-nutrition/

    https://cc-nutrition.co.uk/2026/06/09/under-fuelling-football-performance-constraint/

    https://cc-nutrition.co.uk/2026/06/21/snacks-between-football-matches/

  • Injury Recovery Nutrition: How to Recover Faster From Injury

    Injury Recovery Nutrition: How to Recover Faster From Injury

    Injury recovery isn’t just about rehabilitation and training load. Injury recovery nutrition plays a critical role in how effectively tissues repair, remodel and return to function.

    Despite this, many athletes underfuel or prioritise the wrong nutritional strategies during injury, ultimately slowing recovery and delaying return to play.

    This article outlines evidence-based injury recovery nutrition strategies to support faster and more effective rehabilitation.

    Energy Intake in Injury Recovery Nutrition

    One of the most common mistakes during injury is reducing calorie intake too aggressively.

    Although training volume may decrease, injury increases metabolic demand due to:

    • Tissue repair
    • Inflammatory processes
    • Immune system activation

    Inadequate energy intake has been shown to delay recovery, increase muscle loss and impair immune function (Kozjek, Tonin & Gleeson, 2025) 

    Key takeaway:

    Maintain adequate energy intake avoid underfueling during injury.

    Protein Intake for Injury Recovery

    Protein is one of the most important components of injury recovery nutrition.

    It supports:

    • Muscle repair
    • Collagen synthesis
    • Tissue regeneration

    Research highlights the importance of maintaining adequate protein intake during injury rehabilitation to preserve muscle mass and support healing (Giraldo‑Vallejo et al., 2023)

    Practical guidelines:

    • 1.6–2.2 g/kg/day
    • 20–40g per meal
    • Even distribution across the day

    Collagen and Connective Tissue Repair

    Connective tissues (tendons, ligaments and cartilage) rely heavily on collagen.

    Research shows:

    • Collagen supplementation combined with training may improve tendon structure in some cases (Buchalski et al., 2026) 
    • However, results remain inconsistent across studies (Kirmse et al., 2024) 

    Key takeaway:

    Collagen can support connective tissue recovery, but should be used alongside a structured rehab programme.

    Inflammation and Recovery Nutrition

    Inflammation is a normal and necessary part of the healing process.

    However:

    • Too much inflammation can delay recovery
    • Too little can impair healing

    Omega-3 fatty acids have been shown to influence inflammatory markers and oxidative stress, although results are mixed (Fernández‑Lázaro et al., 2024) 

    Practical takeaway:

    • Include omega-3-rich foods (e.g. oily fish)
    • Avoid aggressively suppressing inflammation

    Micronutrients in Injury Recovery Nutrition

    Micronutrients are essential in injury recovery, particularly for bone healing.

    Key nutrients include:

    • Vitamin D
    • Calcium
    • Magnesium
    • Vitamin K

    Deficiencies are associated with slower bone regeneration and reduced recovery capacity (Prakash et al., 2024)

    Research also suggests that overall diet quality is more important than isolated supplementation (Papadopoulou et al., 2022) 

    Key takeaway:

    Focus on a nutrient-dense, whole-food-based diet.

    Individualised Nutrition for Injury Recovery

    There is no one-size-fits-all approach to injury recovery nutrition.

    Strategies must adapt based on:

    • Injury type
    • Stage of recovery
    • Training and rehab demands

    Evidence consistently highlights the need for individualised nutrition interventions during rehabilitation (Giraldo‑Vallejo et al., 2023) 

    Key Takeaways for Injury Recovery Nutrition

    • Maintain energy intake
    • Prioritise protein
    • Support connective tissue when needed
    • Manage (not eliminate) inflammation
    • Ensure micronutrient adequacy
    • Individualise nutritional strategies

    Injury Recovery Nutrition System (Practical Application)

    If you want to apply injury recovery nutrition properly without guesswork I’ve put everything into a structured Injury Nutrition Recovery System.

    It includes 5 easy to use guides covering.

    • Concussion
    • Soft tissue injuries
    • Tendon & ligament injuries
    • Cartilage & joint issues
    • Fracture recovery

    Each guide provides:

    • Clear nutrition targets
    • Practical food strategies
    • Supplement guidance
    • Real-world application

    View the full system here:

    https://cc-nutrition.co.uk/product/injury-recovery-nutrition-system/

    Final Thoughts on Injury Recovery Nutrition

    Nutrition will not replace rehabilitation but without it, recovery is often slower, less effective and less predictable.

    Optimising injury recovery nutrition is one of the simplest ways to improve outcomes and return to play in a stronger position.

    Related articles:

    https://cc-nutrition.co.uk/2026/06/23/electrolytes-in-football/

    https://cc-nutrition.co.uk/2026/06/20/youth-football-nutrition-guide-parents-performance-fuel-recovery/

    https://cc-nutrition.co.uk/2026/06/18/creatine-male-female-athletes-evidence-based-performance-review/

    https://cc-nutrition.co.uk/2026/06/11/sleep-optimisation-athletes/

  • Electrolytes in Football: Hydration, Performance and Recovery Across the Game

    Electrolytes in Football: Hydration, Performance and Recovery Across the Game

    Introduction

    Electrolytes in football are critical to every aspect of football performance, from pre-match preparation to recovery after the final whistle. Whether in academy settings or senior squads, maintaining optimal electrolyte balance underpins hydration, neuromuscular function, and physical output.

    Electrolytes such as sodium, potassium, calcium, and magnesium regulate fluid balance, muscle contraction, and nerve signalling. Even small imbalances can impair cardiovascular and neurological function, ultimately affecting match performance (Debuka, 2025).

    Football presents unique physiological demands, including intermittent high-intensity efforts, repeated sprints, and prolonged match durations. Therefore, electrolyte strategies must be integrated across training, matchday, and recovery to support consistent performance.

    The Role of Electrolytes Throughout a Football Week

    Training

    During training, especially high-intensity or double sessions, players lose fluid and electrolytes through sweat. Sodium is the primary electrolyte lost, and this loss increases with intensity and environmental temperature (Keefe et al., 2024).

    Electrolyte imbalance during training can result in:

    • Reduced training intensity
    • Early fatigue
    • Impaired technical execution

    Maintaining electrolyte balance allows players to sustain training quality and adapt to physical load.

    Matchday

    A 90-minute football match places significant demands on hydration and electrolyte balance. Players may experience progressive dehydration and electrolyte depletion, particularly in warm conditions.

    Electrolytes play a key role in:

    • Maintaining plasma volume
    • Supporting cardiovascular stability
    • Preserving sprint and high-intensity running capacity

    Research shows that fluid and electrolyte losses during exercise impair performance and increase physiological strain (Keefe et al., 2024; Ribas et al., 2025).

    Recovery

    Post-match recovery is heavily influenced by fluid and electrolyte replenishment.

    Electrolytes contribute to:

    • Rehydration efficiency
    • Muscle function restoration
    • Neuromuscular recovery

    Studies show that electrolyte-containing beverages improve total body water and recovery compared with water alone (Choi et al., 2021).

    Key Electrolytes in Football Performance

    Sodium – The Matchday Priority

    Sodium is the most important electrolyte in football due to its role in fluid balance and sweat loss. It helps maintain plasma volume and reduces the risk of hypohydration (Pérez-Castillo et al., 2023).

    📊 Football Application:

    • Replace sodium during matches and intense training
    • Essential in hot environments and heavy sweaters

    Potassium – Muscle Function and Fatigue Resistance

    Potassium supports intracellular function and neuromuscular activity. Disruption can impair muscle contraction and increase fatigue (Nomura et al., 2019).

    📊 Football Application:

    • Important for repeated sprint performance
    • Supports post-match recovery

    Magnesium and Calcium – Neuromuscular Control

    Magnesium aids muscle relaxation and recovery, while calcium is required for muscle contraction (Dunne, 2023).

    📊 Football Application:

    • Supports coordination and technical execution
    • May influence cramp susceptibility

    Position-Specific Considerations in Football

    Electrolyte demands differ depending on playing position due to variations in workload:

    • Midfielders: highest running loads → greater sweat and sodium loss
    • Full-backs/wingers: repeated high-intensity efforts → increased fluid turnover
    • Central defenders: lower total distance but high-intensity actions → moderate electrolyte demands
    • Goalkeepers: lower sweat loss but still require hydration strategies

    Given these differences, individualisation is essential for optimal performance.

    Hydration and Electrolyte Strategies in Football

    Pre-Match

    Players should begin matches in a euhydrated state with adequate electrolyte levels.

    ✅ Practical approach:

    • Fluids with sodium prior to kick-off
    • Avoid starting matches dehydrated

    Sodium ingestion supports plasma volume and fluid retention before exercise (Pérez-Castillo et al., 2023).

    During the Match

    Opportunities to hydrate occur pre-match, at half-time, and during stoppages.

    ✅ Strategy:

    • Small, frequent fluid intakes
    • Include electrolytes where possible

    Electrolyte intake during exercise helps maintain hydration and delays fatigue (Choi et al., 2021).

    Post-Match Recovery

    Post-match recovery requires rapid rehydration and electrolyte replacement.

    ✅ Strategy:

    • Replace 150% of fluid losses
    • Include sodium to improve retention

    Carbohydrate–electrolyte solutions improve rehydration efficiency following exercise (Borra et al., 2025).

    The Impact of Electrolyte Imbalance in Football

    Poor electrolyte management can negatively affect performance and health.

    Common Issues

    • Fatigue and reduced work rate
    • Impaired decision-making
    • Muscle cramps
    • Increased injury risk

    Electrolyte disturbances are linked to reduced endurance performance and increased physiological strain (Ribas et al., 2025).

    Additionally, even mild dehydration can impair aerobic and cognitive performance during exercise (Pérez-Castillo et al., 2023).

    Monitoring and Individualising Electrolyte Intake

    Effective monitoring is essential in football environments.

    Practical Tools

    • Body mass change (≥2% loss affects performance)
    • Urine colour analysis
    • Sweat rate testing
    • Player feedback

    Given large individual differences in sweat rate and electrolyte loss, one-size-fits-all approaches are ineffective.

    Practical Takeaways for Football Environments

    • Electrolytes are essential across training, matchday, and recovery
    • Sodium is the key electrolyte lost in football
    • Hydration strategies must be individualised
    • Electrolyte drinks are useful in high-intensity or hot conditions
    • Monitoring is critical to optimise performance

    Conclusion

    Electrolyte management is a cornerstone of performance nutrition in football. Across a training week from preparation to recovery electrolytes influence hydration, neuromuscular function, and physical output.

    Peer-reviewed research consistently highlights that maintaining electrolyte balance improves hydration, reduces fatigue, and supports performance. For practitioners, the priority is clear: implement structured, individualised electrolyte strategies aligned with the demands of football

    FAQs

    Why are electrolytes important in football?

    Electrolytes regulate hydration, muscle function, and performance during training and matches (Debuka, 2025).

    Do footballers need electrolyte drinks?

    Yes, particularly during long or high-intensity matches where sweat loss is high (Keefe et al., 2024).

    Which electrolyte is most important for footballers?

    Sodium is the most important due to high losses in sweat and its role in fluid balance (Pérez-Castillo et al., 2023).

    are electrolytes important in football?

    Electrolytes regulate hydration, muscle function, and performance during training and matches (Debuka, 2025).

    Do footballers need electrolyte drinks?

    Yes, particularly during long or high-intensity matches where sweat loss is high (Keefe et al., 2024).

    Which electrolyte is most important for footballers?

    Sodium is the most important due to high losses in sweat and its role in fluid balance (Pérez-Castillo et al., 2023).

    Related Articles.

    https://cc-nutrition.co.uk/2026/06/21/snacks-between-football-matches/

    https://cc-nutrition.co.uk/2026/06/20/youth-football-nutrition-guide-parents-performance-fuel-recovery/

    https://cc-nutrition.co.uk/2026/06/19/truth-electrolyte-supplements-performance-hydration/

    References

    Borra, V., De Brier, N., Berry, D.C., Zideman, D. and De Buck, E. (2025) Oral rehydration beverages for treating exercise-associated dehydration. Journal of Athletic Training.

    Choi, D.H., Cho, J.Y., Koo, J.H. and Kim, T.K. (2021) Effects of electrolyte supplements on body water homeostasis and exercise performance. Applied Sciences, 11(19), 9093.

    Debuka, S. (2025) Physiological mechanisms of fluid and electrolyte balance. IOSR Journal.

    Dunne, C. (2023) Electrolytes: mechanisms and implications for internal body functioning. Clinical Nutrition Research.

    Keefe, M.S., Benjamin, C.L., Casa, D.J. and Sekiguchi, Y. (2024) Importance of electrolytes in exercise performance. Applied Sciences, 14(22), 10103.

    Nomura, N., Shoda, W. and Uchida, S. (2019) Clinical importance of potassium intake. Clinical and Experimental Nephrology.

    Pérez-Castillo, I.M., Williams, J.A., López-Chicharro, J. and Horswill, C.A. (2023) Hydration beverage composition. Nutrients, 16(1), 17.

    Ribas, M.R. et al. (2025) Electrolyte balance and endurance performance. Nutrients, 17(5), 751.

  • Bone Health in Athletes: The Role of Energy Availability, Training Load and Stress Fracture Risk

    Bone Health in Athletes: The Role of Energy Availability, Training Load and Stress Fracture Risk

    Introduction

    Bone is a dynamic tissue that responds continuously to mechanical and metabolic stimuli. In athletic populations, bone health is determined by the interaction between mechanical loading, endocrine function, and energy availability rather than isolated nutrient intake alone (Turner, 1998; Tenforde and Fredericson, 2011).

    Although sports participation is generally associated with higher bone mineral density (BMD), certain training environments particularly those characterised by low energy availability are associated with impaired bone turnover and increased risk of stress injury (Mountjoy et al., 2018; Logue et al., 2020). This makes bone health a critical but often under-monitored determinant of long-term athletic performance and injury resilience.

    Bone Remodelling and Mechanotransduction in Sport

    Bone adapts to mechanical loading via remodelling, a process regulated by osteoblast and osteoclast activity. According to mechanostat theory, bone tissue responds to strain magnitude, rate, and frequency, increasing its structural strength when subjected to sufficient mechanical stress (Turner, 1998).

    High-impact, multidirectional loading sports stimulate osteogenesis more effectively than low-impact endurance activities. Evidence consistently shows higher BMD in athletes participating in sports involving jumping, sprinting, and rapid changes of direction compared with cycling or swimming (Tenforde and Fredericson, 2011).

    However, bone adaptation is not solely dependent on mechanical stimulus. Energy availability and endocrine function significantly modulate the remodelling response, with low energy availability attenuating bone formation despite mechanical loading exposure (Ihle and Loucks, 2004).

    Energy Availability as a Central Regulator of Bone Health

    Energy availability (EA), defined as dietary energy intake minus exercise energy expenditure relative to fat-free mass, is a primary determinant of physiological function in athletes (Loucks et al., 2011).

    Low energy availability impairs bone health through multiple mechanisms including suppression of bone formation markers such as osteocalcin and procollagen type 1 N-terminal propeptide (P1NP), alongside increased bone resorption markers such as C-terminal telopeptide (CTX) (Ihle and Loucks, 2004; Logue et al., 2020).

    Endocrine disruption is also central to this process. Low EA reduces insulin-like growth factor-1 (IGF-1), leptin, oestrogen, and testosterone, all of which are essential regulators of bone metabolism (Mountjoy et al., 2018). These hormonal changes shift bone turnover towards net resorption and impair recovery from microdamage accumulation.

    Stress Fractures and Bone Stress Injuries

    Bone stress injuries represent a continuum from periosteal oedema to cortical fracture and occur when repetitive submaximal loading exceeds the bone’s capacity for remodelling and repair (Warden et al., 2014).

    Key risk factors consistently identified in peer-reviewed literature include low energy availability, rapid increases in training load, prior stress fracture history, hormonal disturbances, and low bone mineral density (Mountjoy et al., 2018; Tenforde et al., 2015).

    Athletes with low energy availability exhibit significantly increased incidence of stress fractures due to impaired bone formation and delayed microdamage repair processes (Logue et al., 2020).

    Hormonal Regulation of Bone Metabolism in Athletes

    Bone remodelling is tightly regulated by endocrine signalling. Oestrogen and testosterone are critical for maintaining bone formation and inhibiting resorption (Mountjoy et al., 2018).

    In low energy availability states, oestrogen concentrations may decrease in female athletes, particularly in cases of functional hypothalamic amenorrhoea, while testosterone may also decline in male athletes. Insulin-like growth factor-1 (IGF-1) is suppressed, reducing osteoblastic activity, while cortisol may increase, promoting catabolic effects on bone tissue (Mountjoy et al., 2018).

    These endocrine changes collectively shift bone metabolism towards increased resorption and reduced formation.

    Mechanical Loading: Protective and Dose-Dependent Effects

    Mechanical loading remains one of the most potent stimuli for bone formation. High-impact loading generates strain-induced deformation and fluid flow within the bone matrix, triggering osteogenic responses (Turner, 1998).

    High-impact sports consistently demonstrate greater bone mineral density compared with low-impact endurance sports (Tenforde and Fredericson, 2011). Furthermore, plyometric and resistance training enhance site-specific bone strength adaptations (Tenforde et al., 2015).

    However, excessive repetitive loading without adequate recovery or energy availability results in microdamage accumulation and increased risk of bone stress injury (Warden et al., 2014).

    Nutrition and Bone Health: Beyond Calcium

    Energy availability is the primary nutritional determinant of bone health in athletes. Low energy availability suppresses bone formation even when calcium and vitamin D intake are adequate (Loucks et al., 2011; Mountjoy et al., 2018).

    Calcium plays a key role in bone mineralisation, but its effectiveness is dependent on hormonal status and energy balance. Vitamin D is essential for calcium absorption and bone metabolism, with deficiency associated with increased fracture risk in athletes (Close et al., 2013).

    Protein intake supports bone matrix formation and collagen synthesis. Evidence indicates that higher protein intakes do not negatively impact bone health when calcium intake is sufficient and may enhance IGF-1-mediated anabolic signalling (Shams-White et al., 2017).

    RED-S and Bone Health

    Relative Energy Deficiency in Sport (RED-S) describes impaired physiological function resulting from low energy availability. Bone health is one of the most significantly affected systems (Mountjoy et al., 2018).

    RED-S is associated with reduced bone formation markers, increased bone resorption, impaired attainment of peak bone mass, and increased stress fracture risk. Persistent low energy availability during key developmental periods may result in long-term deficits in bone mineral density (Mountjoy et al., 2018).

    Integration of Training Load and Energy Availability

    Bone adaptation is dependent on the interaction between mechanical loading and energy availability. Mechanical loading is only osteogenic when sufficient energy is available to support remodelling processes.

    When energy availability is low, the osteogenic response to loading is blunted, bone resorption exceeds formation, and adaptation to training is impaired. This explains the high incidence of bone stress injuries in athletes experiencing high training loads without adequate fuelling (Logue et al., 2020; Warden et al., 2014).

    Practical Implications for Athlete Management

    Optimising bone health in athletes requires a multi-factorial approach that includes maintaining adequate energy availability, structured mechanical loading, and appropriate nutritional support.

    Early identification of RED-S risk factors such as menstrual dysfunction, recurrent stress injury, fatigue, and rapid training load increases is essential for prevention (Mountjoy et al., 2018).

    Conclusion

    Bone health in athletes is governed primarily by the interaction between energy availability, endocrine function, and mechanical loading rather than isolated nutrient intake. Low energy availability is the most significant modifiable risk factor for impaired bone metabolism and stress injury development. Maintaining adequate energy availability alongside structured loading strategies is essential for optimal skeletal adaptation and injury prevention.

    References

    Close, G.L., Leckey, J., Patterson, M., et al. (2013) ‘Vitamin D and skeletal muscle strength in athletes’, Scandinavian Journal of Medicine & Science in Sports.

    Ihle, R. and Loucks, A.B. (2004) ‘Dose-response relationships between energy availability and bone turnover’, Journal of Bone and Mineral Research.

    Logue, D.M., Madigan, S.M., Melin, A., et al. (2020) ‘Low energy availability in athletes’, Sports Medicine.

    Loucks, A.B., Kiens, B. and Wright, H.H. (2011) ‘Energy availability in athletes’, Journal of Sports Sciences.

    Mountjoy, M., Sundgot-Borgen, J., Burke, L., et al. (2018) ‘IOC consensus statement on RED-S’, British Journal of Sports Medicine.

    Shams-White, M.M., Chung, M., et al. (2017) ‘Protein intake and bone health’, American Journal of Clinical Nutrition.

    Tenforde, A.S. and Fredericson, M. (2011) ‘Influence of sports participation on bone health’, Sports Health.

    Tenforde, A.S., et al. (2015) ‘Impact activity and bone density’, PM&R.

    Turner, C.H. (1998) ‘Three rules for bone adaptation’, Bone.

    Warden, S.J., Davis, I.S. and Fredericson, M. (2014) ‘Stress fracture biomechanics’, British Journal of Sports Medicine

  • What Happens Inside Your Muscles When You Exercise?

    When you work out whether that’s lifting weights, going for a run, or doing a fitness class your muscles are doing more than just moving. Inside, a whole series of chemical reactions are happening that help your body use fuel, build strength, and get fitter over time.

    In this post I’ll attempt to break it down in simple terms so you can understand what is happening. Don’t worry about the fancy scientific terms! I’m sure they were just made up to sound good!

    Getting Energy In: How Muscles Take Up Sugar Without Insulin

    One of the most important things your muscles need during exercise is energy, and they get a lot of that from glucose (sugar) in your blood.

    Normally, your body uses insulin to move glucose into your cells. However, during exercise, your muscles don’t need insulin to do this. The muscle contractions themselves trigger special sensors that open the doors (called GLUT4 transporters) to let glucose in.

    This process is controlled by molecules like AMPK, which acts a bit like a fuel gauge—when your energy levels drop, AMPK switches on and tells your body to pull in more glucose and start burning fat for fuel (Richter & Hargreaves, 2013; Hardie et al., 2012).

    This is one reason why exercise is such a powerful tool for people with insulin resistance or type 2 diabetes—it helps manage blood sugar even when insulin isn’t working properly.

    Building Muscle: How Lifting Weights Helps You Grow.

    When you lift weights or do resistance training, you’re putting stress on your muscles. This tension switches on a key growth signal called mTOR. Think of mTOR like a “go” button for muscle building—it tells your body to start using amino acids (the building blocks of protein) to repair and grow muscle fibres.

    This signal is stronger when you also eat protein especially leucine-rich foods like chicken, eggs, or Greek yogurt within a few hours of training (Phillips et al., 2009; Bodine et al., 2001).

    That’s why the combo of strength training and a protein-rich meal or shake is perfect for muscle growth and recovery.

    Endurance Training and Mitochondria: Boosting Your Body’s Energy Factories.

    If you’re doing cardio or endurance workouts (like running, cycling, or swimming), your muscles respond differently. They don’t grow bigger in the same way but they get better at using oxygen and making energy.

    This is thanks to a molecule called PGC-1α, which gets activated during long bouts of exercise. It helps your body build more mitochondria tiny energy-producing structures in your cells (Popov et al., 2015).

     More mitochondria = more energy = better stamina.

    A Little Bit of Inflammation Helps You Get Stronger.

    Exercise especially the kind that includes lowering weights slowly (eccentric movement) can cause tiny bits of muscle damage. That sounds bad, but it’s actually a good thing. It triggers a repair process that helps your muscles grow back stronger.

    One of the molecules involved here is IL-6, which your muscles release when they contract. IL-6 also helps with fat burning and sugar uptake during exercise (Pedersen & Febbraio, 2008).

    So a little muscle soreness is your body’s way of saying, “I’m adapting.”

    In a Nutshell

    When you move your body, your muscles are doing a lot more than you think:

    They pull in sugar from your blood without needing insulin.

    They use amino acids to repair and build new muscle.

    They build more energy factories to improve stamina

    They spark mild inflammation to kickstart recovery and growth

    Whether you’re working out for health, strength, or performance, these internal changes are why consistency matters. Your body adapts every time you train on the outside and inside.

    References

    Bodine, S.C. et al. (2001). Akt/mTOR pathway is a crucial regulator of skeletal muscle hypertrophy. Nature Cell Biology, 3(11), 1014–1019. Hardie, D.G., Ross, F.A. & Hawley, S.A. (2012). AMPK: a nutrient and energy sensor that maintains energy homeostasis. Nature Reviews Molecular Cell Biology, 13(4), 251–262. Pedersen, B.K. & Febbraio, M.A. (2008). Muscle as an endocrine organ. Physiological Reviews, 88(4), 1379–1406. Phillips, S.M. et al. (2009). Resistance training increases muscle protein synthesis in humans. Journal of Applied Physiology, 106(1), 202–211. Popov, D.V. et al. (2015). PGC-1α: role in skeletal muscle and metabolic disease. Biochemistry (Moscow), 80(5), 617–628. Richter, E.A. & Hargreaves, M. (2013). Exercise, GLUT4 and glucose uptake. Physiological Reviews, 93(3), 993–1017.

  • Behaviour Change and Nutrition: The Key to Consistency

    Whether you’re aiming to build muscle, lose fat, or enhance performance, your nutrition habits are just as important as your training program. But sticking to a diet plan whether it’s a bulking phase, a cutting cycle, or performance nutrition can be harder than hitting a heavy squat. The real challenge isn’t knowing what to eat; it’s changing your behaviour to make it happen consistently.

    This is where behaviour change science comes in. Grounded in psychology, behaviour change strategies can help gym goers, athletes and well honestly, anyone! overcome common barriers like poor planning, low motivation, and decision fatigue turning good intentions into real results.

    Why Motivation Alone Isn’t Enough

    You might start a new meal plan feeling motivated and ready. But motivation fluctuates. To stay consistent long-term, you need more than willpower you need systems and strategies.

    According to the COM-B model, behaviour is driven by three things: Capability, Opportunity, and Motivation (Michie et al., 2011). In a gym context, this might look like:

    Capability: Do you have the cooking skills and nutrition knowledge? Opportunity: Is your environment helping or hindering your eating goals? Motivation: Are you clear on why you’re doing this?

    Addressing all three areas sets you up for long-term adherence not just short-term compliance.

    Habit Formation and Meal Consistency

    For athletes and recreational lifters, habit formation is key. The Health Action Process Approach (HAPA) highlights the difference between intention and action. You might plan to prep meals or hit your macros but without planning, tracking, and adjusting, those intentions often fall flat (Schwarzer, 2008).

    Using tools like MyFitnessPal (or other apps), food scales, and prep routines helps build consistency. Research shows that self-monitoring—tracking what you eat—is one of the most powerful predictors of success in fat loss and muscle gain (Chen et al., 2023).

    Digital Tools for Diet Adherence

    A 2023 meta-analysis confirmed that using nutrition tracking apps significantly improves dietary behaviours and outcomes in people aiming to lose fat or gain lean mass (Chen et al., 2023). These tools don’t just count calories they give real-time feedback, help you spot trends, and reinforce accountability.

    Other behaviour change techniques (BCTs) proven to support gym-related goals include:

    SMART goal-setting (Specific, Measurable, Achievable, Relevant, Time-bound)

    If then planning (e.g., “If I get hungry post-workout, then I’ll have a protein shake”)

    Social support (training partners or online communities)

    Why Most Meal Plans Fail (And How to Fix It)

    Many people fall off their meal plans not because they’re “lazy” or “undisciplined,” but because their approach doesn’t match their lifestyle or values. According to the Theory of Planned Behaviour (TPB), intentions alone aren’t enough people must also believe they have control over their environment and the ability to follow through (Ajzen, 1991).

    That’s why environmental restructuring like prepping meals in advance, keeping snacks out of sight, or having protein options ready post-training is critical. Your environment should make the right choice the easy choice.

    The Bigger Picture: Stress, Sleep, and Social Support

    Behaviour change science also reminds us that diet doesn’t happen in isolation. Poor sleep, stress, or a lack of social support can derail even the best plan. The Science of Behavior Change (SOBC) program by NIH highlights how self-regulation, stress management, and habit loops can be modified to enhance results (NIH, 2023).

    In other words, you don’t need to grind harder you need to train smarter, eat smarter, and structure your environment and mindset for success.

    Conclusion

    If you’ve ever struggled to stay consistent with your nutrition while training hard, you’re not alone and you’re not lacking discipline. You’re just missing the behaviour change strategies that align your habits with your goals.

    By applying science-based models like COM-B, HAPA, and TPB, and using tools like tracking apps, habit systems, and structured planning, you can finally bridge the gap between training and nutrition and unlock your full potential in the gym.

    If you want structured support to improve nutrition behaviour change and long term performance, get in touch

    Contact me

    References

    Ajzen, I., 1991. The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50(2), pp.179–211.

    Chen, J., Cade, J.E. and Allman-Farinelli, M., 2023. The effectiveness of nutrition apps in improving dietary behaviours and health outcomes: a systematic review and meta-analysis. Public Health Nutrition, 26(1), pp.1–12.

    Greaves, C.J., Sheppard, K.E., Abraham, C., Hardeman, W., Roden, M., Evans, P.H. and Schwarz, P., 2011. Systematic review of reviews of intervention components associated with increased effectiveness in dietary and physical activity interventions. BMC Public Health, 11(1), p.119.

    Lee, R.M., Fischer, C., Caballero, P., and Andersson, E., 2022. Behaviour change nutrition interventions and their effectiveness: a systematic review of global public health outcomes. PLOS Global Public Health, 2(9), p.e0000401.

    Michie, S., Atkins, L., and West, R., 2014. The Behaviour Change Wheel: A Guide to Designing Interventions. London: Silverback Publishing.

    Michie, S., van Stralen, M.M. and West, R., 2011. The behaviour change wheel: A new method for characterising and designing behaviour change interventions. Implementation Science, 6(1), p.42.

    NIH Common Fund, 2023. Science of Behavior Change (SOBC). [online] Available at: https://commonfund.nih.gov/science-behavior-change-sobc [Accessed 18 May 2025].

    Schwarzer, R., 2008. Modeling health behavior change: How to predict and modify the adoption and maintenance of health behaviors. Applied Psychology, 57(1), pp.1–29.

  • Fuelling for the Finish Line: Nutrition Strategies for Marathon Success

    Running a marathon is as much a nutritional challenge as it is a physical one. Whether you’re a first-time runner or a seasoned athlete, your ability to complete 26.2 miles strongly depends on your nutrition before, during, and after the event. Scientific evidence supports targeted strategies like carbohydrate loading, glycogen sparing, optimal hydration, and post-race recovery to enhance performance and reduce fatigue. Here’s how to fuel your body like a pro.

    1. Carbohydrate Loading: Topping Up Glycogen Stores

    Carbohydrate loading is a well-established strategy used by endurance athletes to maximise glycogen storage in muscles. Glycogen is the primary fuel for prolonged moderate-to-high intensity exercise, and depletion is closely associated with fatigue and “hitting the wall” (Burke et al., 2011).

    Traditionally, athletes would taper their training while increasing carbohydrate intake to 8–12 g/kg of body weight per day in the final 2–3 days before the race (Jeukendrup & Killer, 2010). This method has been shown to improve time to exhaustion and performance in events lasting longer than 90 minutes.

    Practical tip: A 70 kg runner should aim for around 560–840g of carbohydrates per day in the 48 hours before the race. Choose high-GI foods like white rice, pasta, bananas, and sports drinks to maximise uptake.

    High-carb meal plan examples:

    • Breakfast: 2 large bagels with honey, banana, glass of orange juice (approx. 120g carbs)
    • Lunch: White pasta with tomato sauce and lean chicken, 2 slices of garlic bread, fruit smoothie (approx. 150g carbs)
    • Snacks: Rice cakes with jam, energy bars, dried mango
    • Dinner: Basmati rice with sweet potato curry, naan bread, apple crumble with custard (approx. 180g carbs)

    2. Glycogen Sparing: Training and Fueling Smarter

    Glycogen sparing refers to the body’s ability to delay the use of glycogen by increasing the use of fat as a fuel source. Training adaptations such as long runs at a lower intensity, fasted-state training, and incorporating medium-chain triglycerides (MCTs) have been explored to encourage this shift (Spriet, 2014).

    While some athletes use “train low” strategies (training with low carbohydrate availability), this should be approached with caution, as performance benefits are mixed and it may impair high-intensity training capacity (Impey et al., 2016).

    Practical tip: Including some lower-carb, aerobic base runs in your training plan may help improve fat oxidation capacity—but don’t sacrifice carbs during race week or high-intensity sessions.

    Food tips for fat-adapted sessions:

    • Train in the morning before breakfast (fasted cardio)
    • Small pre-run coffee (caffeine enhances fat oxidation—Spriet, 2014)
    • Post-run meal should include balanced carbs and protein: e.g. scrambled eggs, oats with berries, Greek yogurt.

    3. Race Day Nutrition: Fuelling Every Mile

    Pre-Race Breakfast (2.5–3 hours before)

    Should be high-carb, low-fat, moderate protein, and low in fibre.

    Examples:

    • 2 slices of white toast with jam + banana + isotonic sports drink (60–80g carbs)
    • Porridge made with milk + honey + raisins + small coffee
    • White rice with scrambled eggs and soy sauce (for savoury eaters)

    Avoid: High-fat meals (e.g. bacon, croissants), high-fibre cereals (e.g. bran flakes), or spicy foods.

    4. During the Race: Carbohydrate and Fluid Strategies

    To maintain blood glucose and delay fatigue, carbohydrate intake during the marathon is crucial. The recommended intake is 30–60g of carbohydrates per hour, and up to 90g/hour may be tolerated when multiple transportable carbohydrates (e.g., glucose + fructose) are consumed (Jeukendrup, 2014).

    Hydration is equally important. Dehydration exceeding 2% of body weight can impair performance, but overhydration may cause hyponatremia. The goal is to drink to thirst, ideally using sports drinks that supply both carbohydrates and electrolytes (Sawka et al., 2007).

    Strategy:

    • Start hydrated (urine should be pale yellow pre-race)
    • Drink small sips at water stations
    • Use electrolyte drinks if sweating heavily or conditions are hot

    Drink examples:

    • SIS GO Electrolyte
    • Nuun tablets in 500ml water
    • Coconut water with a pinch of salt and honey (DIY)

    Practical tip: Use race rehearsals to test your nutrition strategy. Opt for gels, chews, or isotonic drinks that deliver glucose and electrolytes without causing GI distress.

    5. Caffeine: A Legal Performance Booster

    Caffeine is a well-supported ergogenic aid that can improve endurance performance by reducing perceived exertion and enhancing fat oxidation (Spriet, 2014). Doses of 3–6 mg/kg body weight, consumed ~60 minutes before exercise, are considered effective.

    Food examples:

    • 1 strong coffee (~100–150mg caffeine)
    • Caffeinated gel (e.g. 75mg per gel – check label)
    • Matcha green tea shot or caffeine tablets (with caution)

    Practical tip: A 70 kg athlete may benefit from 210–420 mg of caffeine before or during the race—but individual tolerance varies, so trial it in training first. Caution: Too much may cause jitters or GI upset.

    6. Post-Marathon Recovery: Rehydrate, Rebuild, Replenish

    Recovery nutrition should focus on the three R’s:

    • Rehydrate: Replace lost fluids with water and electrolytes.
    • Replenish: Consume carbohydrates (~1.0–1.2 g/kg/hour for the first 4 hours) to restore glycogen.
    • Rebuild: Include 20–25g of high-quality protein to stimulate muscle repair (Thomas et al., 2016).

    Recovery meal/snack ideas:

    Quick snack: Chocolate milk + flapjack or sports recovery bar

    Smoothie: Banana, oats, whey protein, almond butter, milk (60g carbs, 25g protein)

    Post-race meal: Chicken wrap with hummus + sweet potato fries + fruit yogurt

    References

    • Burke, L. M., Hawley, J. A., Wong, S. H. S., & Jeukendrup, A. E. (2011). Carbohydrates for training and competition. Journal of Sports Sciences, 29(sup1), S17–S27.
    • Impey, S. G., Hearris, M. A., Hammond, K. M., Bartlett, J. D., Louis, J., Close, G. L., & Morton, J. P. (2016). Fuel for the work required: a theoretical framework for carbohydrate periodization and the glycogen threshold hypothesis. Sports Medicine, 48(5), 1031–1048.
    • Jeukendrup, A. E., & Killer, S. C. (2010). The myths surrounding pre-exercise carbohydrate feeding. International Journal of Sport Nutrition and Exercise Metabolism, 20(1), 1–7.
    • Jeukendrup, A. E. (2014). A step towards personalized sports nutrition: carbohydrate intake during exercise. Sports Medicine, 44(Suppl 1), S25–S33.
    • Sawka, M. N., Burke, L. M., Eichner, E. R., Maughan, R. J., Montain, S. J., & Stachenfeld, N. S. (2007). American College of Sports Medicine position stand. Exercise and fluid replacement. Medicine & Science in Sports & Exercise, 39(2), 377–390.
    • Spriet, L. L. (2014). Exercise and sport performance with low doses of caffeine. Sports Medicine, 44(2), 175–184.
    • Thomas, D. T., Erdman, K. A., & Burke, L. M. (2016). Position of the Academy of Nutrition and Dietetics, Dietitians of Canada, and the American College of Sports Medicine: Nutrition and athletic performance. Journal of the Academy of Nutrition and Dietetics, 116(3), 501–528.

  • Citrulline Malate and Performance: The Science Behind the Pump

    By Chris Clayton, PhD, SENr, Performance Nutritionist.

    As a performance nutritionist, I’ve worked with athletes across disciplines cycling, boxing, MMA, and football. One supplement I consistently see delivering results, especially in high-intensity and strength focused training, is citrulline malate. Unlike many so-called “pre-workout” compounds, this one stands up to scrutiny. So let’s take a deep dive into what citrulline malate is, how it works, and what the science really says about its impact on performance.

    What Is Citrulline Malate?

    Citrulline malate is a combination of two compounds:

    L-Citrulline: A non-essential amino acid that’s a precursor to L-arginine. It’s more effective than direct arginine supplementation at boosting nitric oxide (NO) levels due to better absorption and bioavailability. Malate (Malic Acid): A key intermediate in the tricarboxylic acid (TCA) cycle, also known as the Krebs cycle, which plays a central role in energy production.

    Together, this combo supports both anaerobic and aerobic performance by enhancing blood flow, buffering fatigue, and improving energy efficiency.

    Mechanisms of Action: How It Works

    Here’s how citrulline malate contributes to performance:

    Nitric Oxide Boost via Arginine Pathway: Supplementing with citrulline increases plasma L-arginine and nitric oxide more effectively than arginine itself (Schwedhelm et al., 2008). Higher NO levels result in vasodilation, which increases oxygen and nutrient delivery to working muscles, improving endurance and reducing fatigue. Ammonia and Lactate Clearance: Citrulline helps detoxify ammonia through the urea cycle, delaying the onset of fatigue (Sureda et al., 2010). This is particularly important during high-volume resistance training or repeated sprint bouts. Enhanced ATP Production via Malate: Malate supports mitochondrial energy production. It facilitates the regeneration of NAD+, a coenzyme essential for ATP generation, especially under aerobic conditions.

    What the Research Says

    1. Strength and Resistance Training

    Pérez-Guisado & Jakeman (2010): In this double-blind, placebo-controlled study, 8g of citrulline malate taken 1 hour before upper-body resistance training significantly increased the number of repetitions completed (by ~52.92%) and reduced muscle soreness at 24 and 48 hours post-training. Wax et al. (2015): Male subjects performing leg resistance training saw improved repetitions and reduced fatigue when supplemented with 8g of citrulline malate. This confirmed earlier findings and suggested a strong role in muscular endurance.

    2. Endurance Performance

    Bailey et al. (2015): A 6g dose of citrulline increased plasma nitrate and nitrite, improved VO2 kinetics, and reduced oxygen cost during moderate-intensity cycling. This means athletes required less oxygen to perform the same amount of work an efficiency gain that matters in endurance sports. Glenn et al. (2016): In this study on recreationally active males, a single 8g dose improved cycling time to exhaustion and reduced ratings of perceived exertion (RPE). Athletes felt they were working less hard to achieve the same output.

    3. Recovery and Muscle Soreness

    Gonzalez et al. (2018): Citrulline supplementation post-exercise improved blood flow and reduced delayed onset muscle soreness (DOMS), likely due to enhanced nutrient delivery and waste clearance during recovery phases.

    Practical Recommendations: How I Use It with Athletes

    Here’s how I typically program citrulline malate use:

    Dosage: 6–8g taken 30–60 minutes before training. This is the most evidence-backed range. Form: Powdered form is ideal, either standalone or in a pre-workout blend without excessive stimulants. Many commercial pre-workouts under-dose citrulline, so check labels carefully. Timing: Take on an empty stomach pre-training for better absorption. For high-volume training blocks or tournaments, some athletes use it daily for a more sustained effect on recovery. Cycling: While not strictly necessary, I may cycle usage (e.g., 5 days on, 2 days off) during off-season periods or lower training loads, simply to match need and avoid unnecessary supplementation.

    Safety and Side Effects

    Citrulline malate has a strong safety profile. No serious adverse effects have been reported at doses up to 10g per day. It’s stimulant-free, making it a good option for athletes training in the evening or those sensitive to caffeine. Minor side effects like stomach discomfort can occur in some people, particularly at higher doses, but these are rare.

    Final Thoughts

    From the lab to the gym floor, citrulline malate has earned its place as one of the few supplements that actually does what it claims. Whether you’re a strength athlete looking to grind out extra reps, a cyclist chasing improved endurance, or a combat sport athlete managing high training volumes, citrulline malate can offer a genuine performance boost.

    Just like any supplement, it works best when it’s built on a foundation of good nutrition, sleep, and recovery. But if you’re looking for a scientifically supported edge, this one’s worth considering.

    This is a good option that is informed sport so you can be sure it is free from banned substances

    Applied Nutrition Citrulline Malate 2:1

    Key References:

    Pérez-Guisado, J., & Jakeman, P. M. (2010). Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness. Journal of Strength and Conditioning Research, 24(5), 1215–1222. Wax, B., et al. (2015). Effects of supplemental citrulline malate ingestion during repeated bouts of lower-body exercise. European Journal of Sport Science, 15(1), 45–52. Bailey, S. J., et al. (2015). Dietary nitrate supplementation reduces the O2 cost of low-intensity exercise and enhances tolerance to high-intensity exercise in humans. Journal of Applied Physiology, 107(4), 1144–1155. Glenn, J. M., et al. (2016). Acute citrulline malate supplementation improves cycling time trial performance in trained cyclists. Journal of Strength and Conditioning Research, 30(4), 1097–1103. Sureda, A., et al. (2010). L-Citrulline-malate influence over branched chain amino acid utilization during exercise. European Journal of Applied Physiology, 110(2), 341–351. Gonzalez, A. M., et al. (2018). Effects of citrulline supplementation on exercise performance in humans: A review of the current literature. Journal of Strength and Conditioning Research, 32(2), 385–391.

  • What Is the Glycaemic Index (GI) and How Can It Support Fuelling and Recovery in Football?

    As a performance nutritionist, I’ve worked with athletes from a range of sports, footballers, in particular, often benefit from understanding how different types of carbohydrates impact energy and recovery.

    One of the most valuable tools we use to tailor fuelling strategies is the Glycaemic Index (GI). It’s not about “good carbs vs bad carbs”—it’s about timing the right carbs for the right purpose, whether that’s to fuel a match, sustain energy through 90 minutes, or recover effectively for the next session.

    What Is the Glycaemic Index?

    The Glycaemic Index is a ranking system (0–100) that tells us how quickly carbohydrate-rich foods raise blood glucose (sugar) levels.

    • High GI foods (GI 70–100) are quickly digested and absorbed causing a rapid rise in blood sugar.
    • Low GI foods (GI 55 or less) break down more slowly, providing a gradual release of energy.

    The reference point is either glucose (GI = 100) or white bread.

    Why Does GI Matter for Football?

    Football is a high-intensity, intermittent sport players sprint, jog, walk, and accelerate over a 90-minute game. That means they rely heavily on muscle glycogen, the body’s stored carbohydrate.

    By using GI strategically, we can:

    • Maximise energy availability before matches
    • Sustain energy throughout the game
    • Accelerate recovery for the next match or training session

    Timing Matters: Pre-Match, Half-Time, and Post-Match

    Let’s walk through a real-world example of how I’ve applied this with a professional footballer.

    Real World Example: Match Day Nutrition Using GI

    Player profile:

    • 26-year-old professional central midfielder
    • Saturday 3:00 PM kick-off
    • Wants to optimise energy levels and reduce post-match fatigue

    24–36 Hours Before: Carb Loading with Mixed GI

    We start building glycogen stores the day before the match with moderate and low GI carbs:

    • Banana and cinnamon overnight oats (Breakfast)
    • Rivita low fat cheese and cucumber (Snack)
    • Sweet and Sour Chicken with brown rice (Lunch)
    • Greek yogurt with mixed fruit melody (Snack)
    • Wholemeal pasta Arrabiata (Evening Meal)
    • Frequent meals every 2–3 hours

    This ensures high muscle glycogen stores heading into the game.

    Match Day: 3-4 Hours Pre-Kickoff: Low to Moderate GI Focus

    Pre-match meal at 11:30 AM
    We want sustained energy release and to avoid any GI distress or energy crash.

    Example meal:

    • Grilled chicken breast (tomato & Herb Sauce)
    • Basmati rice (moderate GI)
    • Steamed carrots
    • A drizzle of olive oil
    • Small banana or half a fruit smoothie

    This combo provides around 100g carbs and some lean protein, with low fat and fibre to support digestion.

    60–90 Minutes Pre-Kick off: Higher GI for Top-Up

    Now we shift to easily digestible, higher GI carbs to top up blood glucose before kick-off.

    Options we’ve used:

    Some players prefer caffeine here like drinks or gum depending on individual tolerance.

    Half-Time: Maintain Energy with High GI

    During matches, digestion is limited, so we use quick-release carbs in liquid or easily digestible form.

    Typical options:

    This helps delay fatigue and support second-half performance, especially in high-tempo games.

    Post-Match (0–60 Minutes): Rapid Recovery with High GI

    Recovery starts the minute the final whistle blows. The goal is to replenish glycogen quickly and kick-start muscle repair.

    Example post-match recovery snack:

    • Recovery shake with 1.2g/kg body weight of carbs and 20–25g whey protein
    • Katsu Chicken curry with white rice 0–2 hours post-match
    • Fruit juice & white bread sandwich to boost GI 3-4 hours post game

    This strategy is even more crucial when there’s another match within 48–72 hours (e.g., midweek fixtures).

    Summary: How to Use GI in Football

    TimingGI TypeExample Foods
    24–36 hrs beforeMixed GIPasta, oats, potatoes, fruit
    3–4 hrs before matchLow/Moderate GIBasmati rice, sweet potato, wholemeal bread
    1 hr before matchHigh GIWhite bagel, jam, banana, sports drink
    Half-timeHigh GIJelly sweets, energy gels, isotonic drinks
    Post-match (0–1 hr)High GI + ProteinRecovery shake, white rice, fruit juice

    Final Thoughts

    The Glycaemic Index is a powerful tool not to label foods as good or bad but to optimise timing and function. For footballers, matching GI to training and match demands can support:

    • Better energy availability
    • Reduced risk of mid-game fatigue
    • Faster recovery between sessions or fixtures

    If you’re a footballer (or work with one) and want to refine your fuelling strategy, don’t hesitate to reach out. Nutrition is one of the most effective and overlooked ways to elevate performance.