... 20 days Origin:Porcine,Bovine,Chicken,Bone hydrolyzed marine collagen SpecificationOrigin:Porcine,Bovine,Chicken,Bone,Fish Molecular Weight 1000~4000D ... studies have indicated that collagen has beneficial effect to the bone. Collagen can be absorbed readily by human skeleton, ... enhance calcium deposit to the bone. Therefore, collagen can be added into food for children ...