A potent synergistic combination of the latest in joint care science, Advanced Triple Strength formula includes Glucosamine HCl and Joint Shield. Joint Shield is a proprietary blend of our Chondroitin/MSM Complex and other joint factors, such as Collagen and Hyaluronic Acid. The key ingredient in Joint Shield is a potent extract of Boswellia serrata called 5-Loxin. Taking 5-Loxin showed improvement in Joint Comfort within 7 days. The 5-Loxin in Joint Shield also helps with joint flare-ups and is 10 times more concentrated than typical Boswellia extracts.