... of our fish collagen peptide:1. Safety--- advantage of raw materials, ISO90001 quality management system and HACCP food safety monitoring ... found in the connective tissues in the body, including the skin, bones, cartilage, tendons, and ligaments. But with aging,peoples ... absorption from man-made collagen. Collagen can be extracted from Skin or Gristle of fresh Marine fish , Bovine, Porcine, and ...