* Advanced Double Strength * Compare Active Ingredients to Osteo Advanced DS† * 75 Easy to Swallow Tablets * Dietary Supplement †Osteo Advanced DS is a registered trademark of Rexall Sundown, Inc. Many recent scientific studies have shown the effectiveness of taking supplements with the proper combination of Glucosamine HCI and Chondroitin Sulfate. These compounds found in the soft cartilage, tendons and synovial fluid, are essential to the healthy functioning of tendons and joints, especially with advancing age. Glucosamine & Chondroitin Complex Double Strength combines these two nutritional elements in the proper amounts for your effective use.