The Three Building Blocks
Football-specific nutrition comes down to three things. Everything else is fine-tuning.
Carbohydrates are the fuel. Football is an intermittent load with many sprints and changes of direction, and that burns glycogen, the body's stored sugar. Once the store is empty, sprint performance drops first and decision quality second.
Protein is the building material. It is needed to repair and build muscle, not to supply energy.
Fluid is the most underrated factor. Even small losses affect concentration and coordination — both of which hurt in football before fitness does.
The base is a normal, varied diet: vegetables, fruit, grains, dairy, fish, meat, legumes, nuts and oils. No powder replaces that, and in youth football none is needed.
Before the Match
The last larger meal ideally sits three to four hours before kick-off and is carbohydrate-led, low in fat and not too high in fibre. Familiar foods beat exotic ones: match day is the wrong moment for experiments.
In the final one to two hours a small, easily digestible top-up is enough — a banana, some bread, a bar.
The most common mistake is not the wrong food but no food at all. Children come to training straight from school, often hours since their last meal.
During Training and Matches
For a session under sixty minutes, water is enough. What matters is drinking regularly rather than waiting for thirst — thirst is a late signal.
If the load lasts longer than about an hour, additional carbohydrate makes sense. For adolescents, roughly 30 to 60 grams per hour is the figure usually cited. A sweetened drink or a banana at half-time covers that.
Water and unsweetened teas work as drinks, with a lightly sweetened option for longer loads. Energy drinks do not belong on a youth pitch.
After the Load
The hours straight after a match are the most effective. That is when the body refills its glycogen stores fastest — so something carbohydrate-rich should be eaten fairly promptly, combined with a protein source.
It does not have to be a meal. A sandwich, milk or a yoghurt with fruit on the way home does the job.
Eating for the first time three hours later at home wastes most of that window. With two sessions in a few days, that makes a noticeable difference. How recovery fits into performance generally is covered in the article on recovery in football.
Children Are Not Small Adults
The most important difference: children and adolescents have smaller glycogen stores. They can buffer less energy and therefore depend more on regular intake. Three large meals often do not cover a training day.
Then there is the growth spurt. In that phase energy and nutrient needs rise further while loading has to be judged differently. What that means for training is covered in the article on growth phases.
So in youth football the rule is: normal food, regularly, in sufficient amounts. No sports nutrition, no supplements without medical reason.
What You Can Do as a Coach — and What You Cannot
You are not a nutritionist, and you should not present yourself as one. What is within your responsibility:
- Create the conditions. Plan drinks breaks, insist on bottles, have something available after the match.
- Inform once, do not nag. One point at the parents' evening works better than weekly comments. More in the guide to parents in youth football.
- Look at the environment, not at individuals. Public remarks about a child's eating are delicate and can do damage.
And the clear line: weight targets, diets or comments about body shape have no place in youth football. If something stands out, the route is to the parents and a doctor, not to your own recommendation.
5 Takeaways for Coaches
- Drinking is the simplest lever. Fixed breaks, full bottles, not waiting for thirst.
- The first hour after training counts. Bread on the way home beats a perfect dinner three hours later.
- No match-day experiments. Familiar food, nothing new.
- Regularity before quantity. Children need several small opportunities, not three large ones.
- Stay in your role. Creating conditions yes, individual dietary advice no.