There are varieties of proteins available in the market which helps for the proper growth and development of the body. These proteins are prepared by the natural products such as milk, cheese and milk products. Drinking these proteins shake daily helps to increase the strength of the person. There are no side effects for taking these proteins regularly. natural whey protein contains the iron which makes the bones strong, and it also helps the person for the proper development of the bones. The amino acids help to increase the height and the weight of the person. It also improves the mental thinking of the person.