Glucosamine Sulfate (potassium chloride from shrimp/crab exoskeleton)......... 500 mg

* This is a premium glucosamine sulfate product derived from 667 mg of glucosamine sulfate complex, providing a full potency 500 mg dose of glucosamine sulfate per capsule. 

Chondroitin Sulfate (sodium from bovine cartilage).................................. 400 mg 

vitamin D3(Cholecalciferol)............................................... 8.33mcg(333.33 IU)

Non-medicinal ingredients: Gelatin capsule (gelatin [bovine], purified water), vegetable grade magnesium stearate (lubricant), microcrystalline cellulose.