It is a powdered dietary supplement with a very complete formula for the care of your joints, bones, and skin. El Naturalista Collagen primarily provides hydrolyzed collagen and hyaluronic acid, which are components of cartilage and skin. Collagen is the most abundant protein in the body's connective tissue. It represents 30% of the body's proteins. It holds all tissues together. Collagen production in the body peaks around the age of 20, and collagen production progressively decreases with age. This is noticeable in the skin (it becomes thinner and more dehydrated, and wrinkles appear), in the bones, which become more fragile and easily broken, and in the joints, because the cartilage that is supposed to cushion them becomes thinner and weaker, resulting in pain.