Bovine Collagen PowderNatural Protein Source VitaBright collagen powder provides a clean, bioavailable source of 18 amino acids, including all eight essential ones. Once abundant in traditional diets through bone broth and meats cooked in their own fat, collagen is now easy to restore with a daily supplement. Firmer Skin Collagen is the main structural protein in skin, giving it firmness and elasticity. As natural levels decline with age, fine lines and dryness appear.