Gelatin is the purified protein derived by the selective hydrolysis of collagen from the skin, the connective tissue, and/or bones of animals. Great Lakes Gelatin provides you with the highest types of pure, unflavored, edible gelatins. It is available in type A (porcine) or type B (bovine or bone). This consumer package represents a special grade of gelatin that meets the specifications set forth by the US. Pharmacopeia, regulated by National Formulary. All grades of gelatin are prepared under the most rigid, sanitary conditions.