1.Natural and selective raw materials 2.Molecular weight is narrowly distributed and controlled 3.Good solubility in water Collagen(Extracted from Skin or Gristle of Marine fish, Bovine, Porcine, and Chicken) Product Introduction: Collagen is the primary structural protein found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But with aging, ...