Nature's Bounty, Osteo Bi-Flex Joint Health Triple Strength + Magnesium Coated, 80 TabsProduct Description Osteo bi flex triple strength Plus magnesium contains glucosamine which helps to strengthen joints while helping maintain joint cartilage essential for comfortable movement. Magnesium plays a role in over 300 enzymatic reactions within the body, including bone and muscle function. Magnesium helps to preserve bone structure by aiding calcium regulation and bone mineralization, while also supporting the contraction and relaxation of