Glucosamine and chondroitin sule are both compounds naturally occurring in the body within synovial fluid, and connective tissue. Provides these components for in their most studied ratio 1,500 mg glucosamine and 1,200 mg chondroitin sule. ** This synergistic supports joint lubrication and overall joint health, and provides the precursors for the maintenance of healthy cartilage, tendon, anIngredients:Supplement FactsServing Size: 3 capsulesServings Per Container: 30Amount Per Serving% Daily ValueSodium96 mg4%Potassium55 mgGlucosamine sule G+?+ 2KCl (shrimp, crab)500 mg*Glucosamine hydrochloride (shrimp, crab)500 mg*N-acetyl D-glucosamine (shrimp, crab)500 mg*Chondroitin Sule Sodium1,200 mg (1.2 g)** Daily Value not establishedOther IngredientsCellulose (capsule shell), stearic acid. Contains shellfish (shrimp, crab).NO: Yeast, corn, wheat, soy, gluten, milk, sugar, preservatives or artificial color.