Protein provide support to all of the body's tissues, enabling the body to stand and move. Collagen is a protein that is a component of the ligaments, bones and tendons that form the joints. Muscles contain two proteins known as actin and myosin that empowers them to function properly. Hip and joint replacements are due to a deficiency in protein collagen. Blood proteins prevent edema or fluid retention by pulling water into the capillaries therefore preventing fluid retention in the tissues and normalizes the blood's pH to approximately 7.4. GreenGold Nutrition has a Whey protein product NBP - Nothing But Protein that conveniently provides the body with adequate amounts of daily amino acids and protein.