Nutrition guide
Nutrition for teenage footballers
A growing teenager who trains four times a week is fuelling two jobs at once: the football and the growth. Underfuelling at this age does not just cost performance — it costs height, bone density and recovery.
The guidance below is deliberately practical: what a school day looks like, what to watch for, and where the real risks sit.
Energy first
The most common problem in youth football is not the wrong macros, it is simply not enough food. Persistent fatigue, frequent illness, stalled growth or a sudden drop in training quality are the warning signs of low energy availability, and they need addressing before anything else.
Practically: three meals plus two or three substantial snacks, with a carbohydrate source at every one on training days.
Protein, iron and calcium
Protein around 1.4–1.7g/kg a day, spread across meals rather than concentrated in one shake. Whole foods first — milk, eggs, meat, fish, beans, yoghurt.
Iron matters especially for adolescent girls and for any player who is frequently tired; red meat, beans, fortified cereals and vitamin C alongside plant sources all help. Calcium and vitamin D are non-negotiable while bone is still being laid down: aim for three dairy or fortified servings a day.
A school-day template
Breakfast: porridge or cereal with milk and fruit. Mid-morning: yoghurt or a cereal bar. Lunch: a proper carbohydrate-and-protein plate, not just a snack.
Pre-training, 60–90 minutes out: a banana and a bagel or a sandwich. Immediately post-training: milk-based drink plus a carbohydrate source. Then dinner within an hour and a half.
What to skip
Teenagers do not need fat burners, pre-workouts or high-caffeine energy drinks, and creatine is not a priority while the basics are unstable. Sleep of 8–10 hours does more than any supplement on the shelf.
Common questions
- How many calories does a teenage footballer need?
- It varies widely with size, growth stage and training load — often 2,500–4,000 kcal a day. Rather than chase a number, track energy, growth and training quality, and use the macro calculator as a starting point.
- Should a teenage footballer take protein powder?
- Usually unnecessary. Food covers 1.4–1.7g/kg comfortably. A shake is a convenience when a meal is impossible, not a requirement.
- Is creatine safe for under-18s?
- Evidence in adolescents is limited. Get sleep, total energy and consistent training right first — those give a far bigger return at this age.
More nutrition guides
Turn these numbers into your numbers
The macro calculator on the nutrition page converts every per-kilogram target here into daily protein, carbohydrate and fat for your bodyweight and training load.