MSM with Glucosamine hydrochloride, Vitamin C & other nutrients to help maintain flexible muscles & joints. One tablet typically provides: 450mg MSM, 180mg Glucosamine (hydrochloride), 75mg Celery seed, 75mg Nettle, 75mg Ginger, 30mg Vitamin C, 15mg Ginseng, 5mg Zinc (citrate), 5mg Kelp, 250