MSM with vitamin C which supports normal collagen formation for healthy bones and joints Also contains glucosamine hydrochloride, the superior form of glucosamine With zinc which supports normal bones and copper that supports normal connective tissue Also contains added celery seed, nettle, ginger, ginseng and kelp A powerful complex Not advisable if pregnant or taking warfarin. May not be suitable for people with a fish or crustacean allergy because of the Kelp.