Sera & Mattina’s Hydrolyzed Types I & III Collagen Peptides are derived from grass-fed, pasture-raised, Grade A bovine, ensuring they are hormone-free and 100% non-GMO. With 19 amino acids, these peptides are enzymatically formulated for optimal bioavailability and absorption. They support joint health, fortify hair, skin, and nails, hormone and gut support and enhance the body's overall cellular structure, helping you live, look, and feel your best from the inside out.