Glucosamine Sulfate helps to relieve joint pain associated with osteoarthritis (OA). It promotes formation of cartilage and protects against its breakdown. Glucosamine sulfate is stable and readily absorbed by the body. This supplement provides a safe, effective alternative to non-steroidal anti-inflammatory drugs for the treatment of OA with no gastric irritation. Benefits: Relieves joint pain and osteoarthritis symptoms. Supports vital joint and bone health and pain-free movement of hands, wrists, hips, ankles, knees, neck and back. Factor in the building of healthy cartilage, protecting against the deterioration of cartilage. Glucosamine Sulfate 500 mg Aspergillus niger chitin from fermented corn. Excipients: Dicalcium phosphate, cellulose, vegetable magnesium stearate, vegetable stearic acid, silica, modified cellulose gum. Restrictions Drug Interactions: None known when taken as directed. Nutrient Depletions: None known when taken as directed. Supportive Interactions: Chondroitin sulfate, niacinaminde, SAMe, boswellia, sea cucumber, cayenne cream (topical pain reliever). Warnings and Precautions: Consult a health care practitioner if symptoms worsen or prior to use if you are pregnant or breastfeeding. Toxicity, Adverse Warnings and Side Effects: Glucosamine sulfate appears to be safe for long-term use. Side effects, though rare, include gastrointestinal irritation with symptoms such as heartburn or nausea.