Joint Care Supplement. Over 70 years of guaranteed quality. 1500 mg per 3 coated tablets. Highest potency form of glucosamine (Schiff uses Glucosamine Hydrochloride (HCl), which has the highest potency of active glucosamine among glucosamine forms. Glucosamine Hydrochloride is about 83% glucosamine, while most brands use Glucosamine Sulfate that is only about 65% glucosamine). Clinically tested amount of MSM. With Schiff Glucosamine plus MSM, you can maintain healthy structure and function of cartilage in your joints. Schiff Sure Dissolve tablets are formulated to disintegrate within one hour. Guaranteed: No added sugar (sucrose, fructose, lactose), salt, (sodium chloride), yeast, wheat, gluten or milk. No preservatives or artificial flavors. Guaranteed for purity, freshness and labeled potency.