Whereas glucosamine is essential for maintaining healthy cartilage by ( promoting its formation and repair, chondroitin is thought to attract fluid into the cartilage and enhances its elasticity. It is also purported to inhibit the enzymes that break-down cartilage.One Tablet of Lamberts Glucosamine & Chondroitin Complex provides: Glucosamine Sulphate 2KCl 665mg Glucosamine Sulphate 500mg Chondroitin Sulphate 100mg OTHER Ingredients:Tableted with: Modified Starch, Cellulose, Tablet Coating (Colour: Titanium Dioxide, Glycerin), Stearic Acid, Silicon Dioxide, Magnesium Stearate.Directions: 1 tablet 3 times daily, preferably with meals. CAUTION: Do not take if pregnant or breast feeding.