Whey is the purest form of protein. It is obtained from cow’s milk. It is a by-product of milk, obtained during the processing of cheese. Whey is processed into more concentrated forms. Some of its different forms are whey protein, whey protein isolates, whey protein concentrate, whey protein hydrolysate and hydrolyzed proteins . Protein powders are becoming extremely popular these days, owing to their health benefits. It contains a higher amount of protein than all the natural foods . Whey protein is highly recommended for women who need more protein in their diet.