Role of Protein Isolate in a Balanced Diet Protein is an essential macronutrient that plays a crucial role in muscle repair, immune function, hormone production, and overall health. While whole food sources like meat, fish, eggs, and legumes are excellent protein providers, protein isolate has gained popularity as a convenient and efficient supplement. What Is Protein Isolate? Protein isolate is a highly refined form of protein extracted from various sources (such as whey, soy, pea, or rice) through filtration processes that remove most fats, carbs, and lactose. The result is a high-protein, low-calorie product with a protein content of 90% or higher. Benefits of Protein Isolate in a Balanced Diet Supports Muscle Growth & Recovery – Ideal for athletes and fitness enthusiasts, protein isolate provides fast-absorbing amino acids that aid in muscle repair after workouts. Weight Management – High-protein diets can promote satiety, reducing cravings and helping with weight loss o...