ProSense Joint Solutions Advanced Strength Glucosamine Tablets offers 650 mg of glucosamine combined with 200 mg chondroitin and 100 mg MSM per tablet. Our advanced strength formula is suitable for everyday use and for dogs of all sizes and types. Administer orally. Tip from Dr. Jeff: Dr. Jeff recommends that you start your dog on an advanced joint care formula including Chondroitin when you note occasional signs of joint stiffness or resistance to running, jumping or climbing stairs as a preventative measure Initial Administration Period (First 4-6 weeks) <10 lbs............1/2 Tablet Daily 10-25 lbs.................1 Tablet Daily 26-50 lbs.................2 Tablets Daily 51-75 lbs.................3 Tablets Daily >75 lbs..............4 Tablets Daily Maintenance Dosage <25 lbs............1/2 Tablet Daily 25-50 lbs.................1 Tablet Daily 51-75 lbs.................2 Tablets Daily >75 lbs..............3 Tablets Daily PRODUCT FACTS Active Ingredients per Glucosamine Tablet: Glucosamine Hydrochloride (shellfish source).650 mg Chondroitin Sulfate (porcine source)...200 mg Methylsulfonylmethane (MSM)...100 mg Calcium Ascorbate (source of Vitamin C)...50 mg Manganese (Manganese Proteinate)..... 5 mg Inactive Ingredients: Brewers Dried Yeast, Dicalcium Phosphate, Glycerin, Iron Oxide, Magnesium Stearate, Silicon Dioxide, Stearic Acid