GLC 2000 Powder combines all 4 bioavailable glucosamines with US Chondroitin Sulfate, Ascorabate and Manganese in the most potent and complete joint formula available. GLC 2000 Powder can be mixed in with your favorite beverage or food source. This 350-gm.jar is a 3 month supply based on 150-lb. body weight. Human Use Only!