Liquid Glucosamine is an unrivaled joint support product when it comes to potency, convenience and price. Instead of buying three separate products, you can get the most popular arthritis and joint pain natural supplements in one formula with outstanding potency. Each one-ounce serving provides you with an incredible 1600 mg of glucosamine, 1200 mg of chondroitin and 1000 mg of OptiMSM brand of MSM. 1 oz daily. Shake well. Lid holds 1 fl oz serving.