Nutrition Glucosamine Chondroitin Msm contains a unique combination of GreenGrown 100% vegetable sourced glucosamine, highest purity OptiMSM, and Mythocondro, the first formulation to contain non-animal chondroitin sulfate. Nutrition chondroitin provides greater concentration and 43% higher absorption than chondroitin sulfate of animal origin. This product supplies the building material for proteoglycans, which support joint structure and function. It also provides sulfur, the key element for joint, hair, skin, and nail health. GreenGrown Glucosamine and Mythocondro Chondroitin are both manufactured by environmentally-friendly, patented fermentation technology and are suitable for vegans.