Hydrolyzed collagen protein contains the essential amino acid lysine, which has been shown to have anti-viral properties and is important for your body to build immune cells. In addition, hydrolyzed collagen protein has been associated with better digestive health. Vykon hydrolyzed collagen protein is 100% pure, no added fillers, flavours or colours. It is sourced from wild-caught, cold-water fish so it is non-GMO and free from antibiotics and artificial hormones.