... solubility in water Collagen(Extracted from Skin or Gristle of Marine fish, Bovine, Porcine ... bones, cartilage, tendons, and ligaments. But with aging,peoples own collagen is losing gradually, ... collagens content to prevent malnutrition, and Add into making medicine.3. Keep skin moisture, ... food to promote its growth and high quality Certificate of Analysis ItemSpecificationTest ResultsAppearanceOff-White ...