3 ms·Hard to be a great athlete without protein AND carbs.by fixxer 10y agoHard to be a great athlete without protein AND carbs.daenney 10y agoYou don't need to be a great athlete in order to be fit, which is what this is about.fixxer 10y agoLet me rephrase: hard to have optimal (or even suboptimal) athletic performance without carbs.