Flexamine 10:10™ is a highly concentrated formula which is suitable for all horses. It contains Glucosamine HCl, which is used by the body to help maintain articular cartilage and joint function, aiding supple and fluid movement. The other ingredient is Methyl sulphonyl methane (MSM), which further supports mobility by providing a source of Sulphur which is essential for the synthesis of connective tissue including collagen, and is also required to provide strength to articular cartilage.