* Evidence-Based Nutritional Supplements * Supports Joint and Cartilage Health * Support Joint Flexibility * Supports Healthy Muscles and Connective Tissue * 5-Loxin * Joint, Muscle and Mobility Support * Dietary Supplement * New Label - Same Great Formula! Glucosamine is tested for purity and potency. 5-Loxin supports joint comfort, mobility and production of healthy collagen in connective tissues. G.C. Flex features research levels of Glucosamine and Chondroitin, as well as our exclusive 5-Loxin extract. This cutting edge formula nourishes and supports joint and cartilage health, as well as joint comfort and mobility.