Whey protein powder is one of the most commonly used supplements for a reason. Actually, for lots of reasons. It can help you build muscle, lose weight, control hunger, and maintain lean muscle mass. No matter what your goal is.
Whey protein is a mixture of proteins isolated from whey, the liquid material created as a by-product of cheese production. The proteins consist of α-lactalbumin, β-lactoglobulin, serum albumin and immunoglobulins. Whey protein is commonly marketed as a dietary supplement, and various health claims have been attributed to it. An authoritative review published in 2010 concluded that the provided literature did not adequately support the proposed claims. For muscle growth, whey protein has been shown to be slightly better compared to other types of protein, such as casein or soy.