hydrolyzed types I & III Collagen Peptides are sourced from grass-fed, pasture-raised, Grade A bovine, and certified hormone-free and 100% non-GMO. Containing 20 amino acids, Collagen Peptides are enzymatically formulated for enhanced bioavailability and absorption to support bone and joint health, strengthen hair, skin, and nails, and benefit the body's overall cellular structure, so you can live, look and feel good, inside and out.*