21st Century Arthri Flex is a dietary supplement containing glucosamine, chondroitin, and MSM designed to support joint health and cartilage maintenance. Each bottle contains 120 easy-to-swallow tablets formulated to help soothe and maintain healthy joints. This product is a dietary supplement and should be taken as directed on the label. As with any supplement, consult your healthcare provider before use, especially if you are pregnant, nursing, taking medications, or have a medical condition. Store in a cool, dry place away from direct sunlight. Keep out of reach of children.