Solgar Extra Strength Glucosamine Chondroitin MSM is a super high strength shellfish free formula combining three proven joint nutrients, Glucosamine, Chondroitin and OptiMSM, for complete joint and connective tissue health and repair. These well researched ingredients have been well researched and shown to support joint movement and cartilage regeneration for long term joint health. Solgar Extra Strength Glucosamine Chondroitin MSM Features: High strength joint support 3 proven joint nutrients Shellfish free As a food supplement for adults, take two (2) tablets daily, preferably at mealtime, or as directed by a healthcare practitioner. Two (2) tablets contain: Vegetable Glucosamine Hydrochloride 1500 mg Chondroitin (as chondroitin sulfate) 1200 mg MSM (as methylsulfonylmethane) 700 mg Cellulose Gum Anti-caking Agents: magnesium stearate*, silicon dioxide Glazing Agent: hydroxypropylmethyl cellulose Bulking Agent: microcrystalline cellulose Vegetable Glycerin * made from vegetable stearic acid. Caution with warfarin (due to MSM content)