Top care® glucosamine chondroitin dietary supplement, triple strength†† with vitamin d, is formulated with a proprietary blend containing boswellia serrata extract. As a key ingredient of the formula, boswellia serrata extract may help with knee comfort.** Glucosamine chondroitin complex is a synergistic combination of the latest in joint health Ingredients, specifically designed for those individuals who are serious about protecting and maintaining their joint health.** With vitamin d to support bone strength and mineralization.** Overexertion, the natural aging process and everyday wear and tear can take their toll. Glucosamine chondroitin complex has a proprietary blend of Ingredients that support healthy joints.** The "advanced" choice in joint health** - glucosamine chondroitin complex is an advanced formula that contains boswellia serrata extract. Boswellia serrata extract's mechanism of action supports cartilage by guarding against the action of enzymes that affect joint health.** Additionally, glucosamine chondroitin complex helps protect cartilage and helps maintain the cellular components within joints.** ††Triple strength refers to the number of caplets required per serving - 2 per day. **This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Helps with joint comfort Rebuild cartilage & lubricate joints Triple strength†† with vitamin d & gluten free Vitamin d 2000iu per serving Compare to osteo bi-flex® Ingredients‡