Vegetarian Glucosamine Sulphate 1500mg is derived from corn. It assists in the production of collagen, cartilage and hyaluronic acid, all of which are major components to lubricate and protect the joints. Suitable for Vegetarian Directions: 1 caplet daily, or as prescribed by your doctor. Ingredients: Glucosamine Sulphate 2KCl (from corn) 1500mg