Monster View MET-Rx Super Joint Guard is an exclusively formulated supplement which can help maintain joint health in athletes. Developed in conjunction with the medical team at Bolton Wanderers FC, it combines nutrients such as Glucosamine, Chondriotin, MSM, Omega 3, 6, 9 & Hyaluronic Acid. Why Buy Joint Guard?- Helps maintain joint health- Tasteless- May help support joint mobility & soothe overworked joints Glucosamine Glucosamine is a naturally occurring substance which is found within the cartilage of joints in the body. Chondriotin Chondriotin is a naturally occurring substance strongly associated with joint repair.