Whether your climbing stairs or scaling mountains, your joints will love this. Developed by orthopedic surgeon, Kevin R. Stone, M.D., each shot provides a full day"s supply of Glucosamine plus Chondroitin, Vitamin D3 and Antioxidants. Easy, fast-absorbing, and tastes great!Glucosamine & Chondroitin: A full day"s supply of Glucosamine combined with Chondroitin helps keep cartilage lubricated and flexibleVitamin D3: A full day"s supply helps build strong bonesAntioxidants: A full day"s supply of Vitamin C