Whey protein is a high-quality protein derived from milk during the cheese-making process. It contains all nine essential amino acids, making it a complete protein source. This protein is easily digestible and quickly absorbed by the body, which is why it is popular among athletes and fitness enthusiasts for muscle recovery and growth. Whey protein is available in various forms, including whey protein concentrate, whey protein isolate, and whey protein hydrolysate. Each type varies in protein content and processing methods. It can be consumed as a powder mixed with water or milk, added to smoothies, or used in cooking and baking.