Product description Containing 18 kinds of amino acids, high nutritional value, strong function, collagen is a good natural physiological activity substance. The hydroxyproline and hydroxylysine is unique in the collagen amino acids. Item No:Â Collagen Powder Color: white or light yellow Origin: beef (pig, fish) bone/skin Protein Content: Â above 90% Storage: keep in cool ventilated dry place Application: Nutrition Products, Drinking, Suppliment, Cosmetics etc.