DONA Crystalline Glucosamine Sulfate 60 caplets

What the brand says

Sold as “DONA Crystalline Glucosamine Sulfate 60 caplets - Blister Pack”

World's Most Prescribed Glucosamine.* Now Available in the U.S. Without Prescription. 30 Day Supply. The only brand proven effective in two 3 year controlled clinical studies to: Promote healthy cartilage.** Lubricate joints.** Support joint mobility and flexibility.** Protect cartilage.** *In stabilized form. **These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.