With Glucosamine, Boswellin and Bromelain Joint Support is a combination of nutrients and other ingredients that help to support the formation and function of healthy joint tissue. * Joint Support provides Vitamin C, manganese and copper, which are critical for the production and ...With Glucosamine, Boswellin and Bromelain Joint Support is a combination of nutrients and other ingredients that help to support the formation and function of healthy joint tissue. * Joint Support provides Vitamin C, manganese and copper, which are critical for the production and maintenance of healthy joint structures.