Viartril-S 500mg Cap 90's Contents: Glucosamine sulphate 500mg The glucosamine in your body helps keep up the health of your cartilage -- the rubbery tissue that cushions bones at your joints. But as you get older, your levels of this compound begin to drop, which leads to the gradual breakdown of the joint. Studies show that supplementing glucosamine sulfate will reduce the rate of collagen (joint tissue) degradation and symptoms of osteoarthritis.