Collagen is one of the most abundant proteins in the body. In actuality, collagen is the main structural protein that forms connective tissue in every area of our body, including the skin, muscles, tendons, and ligaments. As you age, your body creates less collagen; however, you may encourage the formation of collagen by eating foods high in copper, zinc, and vitamin C. Reducing consumption of sugar and sun exposure are two other ways to decrease the breakdown of collagen.buy collagen powder from Steadfast Nutrition. They provide the best collagen. it has Type 1 collagen that improves hair and nail health and boosts muscle much more.