Health Perception Joint Flex Vegetarian Glucosamine Daily 30s Joint Flex Glucosamine Daily 750mg is an everyday combination, with the flexibility to increase or decrease the dose. Glucosamine Sulphate 750mg with Manganese 2mg, Vitamin C 200mg & Calcium 80mg. Glucosamine is a natural component of glycosaminoglycans (GAGs), which form joint tissue (proteoglycans). Manganese is a vital mineral, required for normal formation of connective tissue, bone maintenance & cell protection. Vitamin C helps the normal function of cartilage & protects cells from oxidative damage (an antioxidant). Calcium contributes to normal muscle function & is essential for maintaining healthy bones. Recommended Daily Dose: 1 tablet daily (up to 2 if required)