Dietary SupplementGlucosamine & Chondroitin provides significant benefit for joint and cartilage support as indicated in clinical research.*Supplementing with glucosamine and chondroitin sulfates can provide significant benefit for musculoskeletal support.* Chondroitin sulfates, a category of glycosaminoglycans (GAGs), are required for the formation of various important components of joint cartilage.* These two nutrients glucosamine and chondroitin support joint function and mobility by enhancing the body's production of GAGs and preventing their degradation.* Clinical research indicates that supplementing with chondroitin sulfates supports joint structures.* Some studies have concluded that the combination of glucosamine sulfate and chondroitin sulfate protects and supports joint surfaces more effectively than glucosamine sulfate alone.* Thorne's Glucosamine & Chondroitin is NSF Certified for Sport. Joint Support; Dietary ConsiderationsGluten FreeServing Size:1 CapsuleServings Per Container:90Amount Per Serving Glucosamine Sulfate (as Glucosamine Sulfate Potassium Chloride complex) 500mg Chondroitin Sulfate 250mg Other ingredients: Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide., Contains ingredient derived from shellfish (glucosamine sulfate = crab and/or shrimp). Suggested Use: Take 1 capsule three times daily or as recommended by your health-care practitioner.Gluten FreeIf pregnant, consult your health-care practitioner before using this product.Tamper Evident: Use only if bottle is sealed. Store tightly sealed in a cool, dry place.