Protein is essential for the body's function as it contributes to muscle building, tissue regeneration, and strengthening the immune system. The article lists five common warning signs of protein deficiency, such as increased appetite, muscle pain, thin hair and nails, edema, and frequent illnesses. Proper protein intake can mean 2/3-3/4 grams per kilogram of body weight daily, and it is recommended to source it from high-quality options like Hammer Whey and Vegan Protein.

By Steve Born  Prefatory Comments: Many endurance athletes tend to focus on carbohydrate intake and pay less attention to protein. Part of the reason may...

By Dean Karnazes If you’re like most athletes, you know protein has something to do with muscle. But protein is much more than that. Like...