Optimum Nutrition Gold Standard 100% Whey Protein Powder in Double Rich Chocolate flavor is a premium whey protein powder designed to support muscle recovery and growth. This high-quality protein powder is packed with key active ingredients like whey protein isolate and whey protein concentrate, which are essential for muscle repair and development. The mechanism of action involves providing the body with fast-digesting proteins to promote muscle protein synthesis and enhance recovery post-workout. This protein powder offers a smooth texture that mixes easily with water or milk, providing a delicious chocolate flavor that makes it a satisfying post-workout treat. With Optimum Nutrition's Gold Standard 100% Whey Protein Powder, you can enjoy the benefits of increased muscle mass, improved strength, and faster recovery times, making it an ideal choice for fitness enthusiasts and athletes alike.