Pharmaceutical-grade glucosamine and chondroitin supplement for dogs. Active ingredients per 3.5-gram scoop: • Chondroitin Sulfate, 760 mg • Glucosamine HCl, 760 mg • Glucosamine Sulfate, 760 mg • Glucosamine Potassium, 760 mg • N-acetyl D-glucosamine, 205 mg • Ascorbate, 205 mg • Manganese Proteinate, 50 mg