Original,US-patented formula of Undenatured Collagen Type II for joint health. Clinically proven to be about 3X more effective than Glucosamine combined with Chondroitin in the management of joint & cartilage issues--providing pain relief, reduction in stiffness & improving physical function.Also suitable for healthy individuals who regularly engage in strenuous exercises -- helps to lengthen the period of pain-free strenuous exertion & alleviate joint discomfort that may result from such activities. Well-established safety profile; suitable for adults (including sports people) and elderly.