Collagen Hydrolysate is also known as gelatin. Gelatin is a purified protein formed by the hydrolysis of collagen from pig and cow sources. Gelatin is used for strengthening the bones and joints. It is also used for osteoporosis and arthritis. Gelatin is also found in the food industry and cosmetics. Gelatin has been used for weight loss and to shorten recovery from exercise/sport related injuries.