Why Endurance Athletes Should Care More About Protein
by New Research Shows It’s Not Just About Carbs and Fat
When it comes to endurance sports—think running, cycling, swimming, and triathlons—carbohydrates and fats have long been the nutrition superstars. And for good reason: they’re the body’s primary fuel sources during prolonged, aerobic exercise. Whether you’re carb-loading for a marathon or optimizing fat adaptation for an ultra-distance race, these macronutrients dominate the conversation.