During intense cycling expeditions, proper nutrition is essential. You should eat food rich in carbohydrates (pasta, rice, bread), at the same time avoiding simple sugars. Supplement the diet with easily digestible proteins. The best way to nourish your body is to snack, that is eat small meals every hour or so. As a result, the stomach is not overloaded. However, in reality, it is hard to eat this way. Food supplies weigh quite a bit so there is no point in amassing them, especially because you can always find a roadside snack bar or a grocery shop.
In a tropical climate, you should drink a lot. To avoid salt depletion, you ought to salt drinking water or excessively salt your meals.