Sea Mussel Plus by Foodscience Of Vermont.Sea Mussel Plus is a state-of-the art, U.S. Patent Pending nutritional supplement that uniquely combines the Green Lipped Mussel (Perna canaliculus), Glucosamine Sulfate, Methysulfonylmethane, and chelated Manganese for the support of proper joint and connective tissue functions. This unique combination of nutrients provides a quicker healing response than would be seen if any of them was taken singly. The effectiveness of Sea Mussel Plus is due to the unique biological activity of the nutrients in the Perna Mussel. The addition of Glucosamine and MethylSulfonylMethane is the "Plus" in Sea Mussel Plus. Also of particular importance to the elderly for support of joint flexibility and mobility that can decline through the aging process.