159 Nutrition 101 - Macronutrients

Send us Fan Mail While carbs function mainly as a fuel source and scale up as training increases, protein and fat are mainly structural and signaling molecules. The benefits of protein and fat rise dramatically before leveling off at a certain threshold. Below the minimums is a sort of "multiplying by zero" - you're leaving structure and function on the table. Above the thresholds is fine in most cases, you're just not getting much additional benefit (with a few exceptions). Most athletes are...