Methyl Sulfonyl Methane (MSM) is a source of dietary sulfur known to support joint movement and contribute to the formation of connective tissue including joint cartilage. Chondroitin and Glucosamine Sulfates are well-researched to not only provide nutritive support for healthy joint movement but also to help maintain cartilage. Vitamin C acts as an antioxidant and is critical for the product of new collagen and cartilage.Other products from HerbsPro