High-Protein Diets and Fiber Displacement: Gastrointestinal Health, Metabolic Effects, and Practical Nutrition Balance
A high-protein diet can improve satiety and support muscle protein synthesis, but it may also displace fiber-rich foods, creating unintended gastrointestinal and cardiometabolic consequences. The key clinical issue is not protein itself, but the substitution pattern: when protein increases by reducing vegetables, legumes, whole grains, and fruits, total dietary fiber and fermentable carbohydrates often decline.… Read More »