If you look at most sports diets they eat neither of those things. They eat proteins to bulk up muscle. Lots of it. Usually soy protein is cheapest but chicken breasts and the like also work.
When actually doing physical activities they drink isotonic drinks with sugar or fruit juices.
Carbs are only a small part of the diet.
The actual diet depends on the sport activity but most of them require building or sustaining muscle mass.
A lot of people also eat beef jerky and egg whites. Also there are supplements based on whey protein.
If you look at most sports diets they eat neither of those things. They eat proteins to bulk up muscle. Lots of it. Usually soy protein is cheapest but chicken breasts and the like also work.
When actually doing physical activities they drink isotonic drinks with sugar or fruit juices.
Carbs are only a small part of the diet.
The actual diet depends on the sport activity but most of them require building or sustaining muscle mass.
A lot of people also eat beef jerky and egg whites. Also there are supplements based on whey protein.