Joint Komfort Extra Strength contains glucosamine sulfate, a naturally occurring nutrient which forms the building blocks of vital compounds necessary for the construction and maintenance of virtually all connective tissue and lubricating fluid in the body including tendons, ligaments, cartilage and synovial (joint) fluid. Elk Velvet Antler is a dietary supplement with a wide range of benefits for your health. Traditionally, velvet antler has been used to restore, balance and strengthen the body, support joint comfort and function, and cultivate an overall feeling of well-being. St. Paul's pure Canadian Elk Velvet Antler contains over 40 important nutrients including natural collagen, glucosamine, chondroitin, lipids, prostaglandins, polysaccharides and growth factors. It is also a source of numerous minerals including calcium, magnesium, copper, iron, manganese, magnesium phosphorus, potassium, selenium and sulfur. Elk Velvet Antler is an excellent addition to a healthy lifestyle and supplement program.