Spectra Vitamins JOINT SUPPORT supplement was formulated with a unique blend based on science and expertise. Active ingredients Turmeric Curcumin, known as one of the powerful herbs on the planet, Glucosamine Sulfate, Collagen Type II, ParActin, Zanthin, Boswellia Serrata, and Black pepper. Natural ingredients of Joint Support help to be effective in category joint health. The formula supports joint health, promotes joint relief, mobility and comfort. The nutrition supports optimal healthy joint structure.