... 20 days Origin:Porcine,Bovine,Chicken,Bone Hydrolyzed collagen for cosmetics SpecificationOrigin:Porcine,Bovine,Chicken,Bone,Fish Molecular Weight ... industry, textile, printing, papermaking and chemical industry etc.Food Additives Many studies have indicated that collagen has beneficial effect to ... bone. Therefore, collagen can be added into food for children and elderly who are in greater need of ...