Country Life's FLEX Able Advanced brings together 3 different prime ingredients known for supporting joint health. Country Life's FLEX Able Advanced contains three clinically studied ingredients: UC-II, Univestin and Glucosamine. UC-II is a unique undenatured form of bioactive Type II Collagen. It is a new dietary Ingredient supported by multiple human clinical trials and numerous patents to support joint comfort, flexibility, and mobility. Univestin is a patented combination of extracts from two herbal plants and is clinically studied to support joint comfort. Glucosamine is a naturally occurring structural component present in connective tissue, synovial fluid, and joints and is well known to support healthy joints.