Glucosamine What is it? Glucosamine sulphate and glucosamine hydrochloride are nutritional supplements. Animal studies have found that glucosamine can both delay the breakdown of and repair damaged cartilage. The results for the use of glucosamine for osteoarthritis are mixed and the size of the effect is modest. NOW Supplements, Glutathione 250 mg, Detoxification Support*, Free Radical Neutralizer*, 60 Veg Capsules 1,426 16 offers from $14.51 #12 Nutricost Glucosamine Sulfate 750mg, 240 Capsules (1500mg Per Serving) 734 2 offers from $18.95 #13 NOW Supplements, Glucosamine & MSM (GreenGrown® Glucosamine), Vegetarian, 120 Veg Capsules 1,418.