From the manufactures website:
When it comes to your joints, there’s comfort in knowing that Cosamin® is proven by more research than any other leading joint supplement.1 Cosamin DS is proven to be effective in U.S. published clinical studies on joint health.
At the cellular level, the ingredients in Cosamin DS work together to block enzymes that break down cartilage. The combination of our glucosamine HCl and chondroitin sulfate has been shown in cell culture research to decrease levels of markers associated with cartilage breakdown and joint discomfort.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
Warning: Keep in cool, dry place. Do not use if seal is broken or missing.
Serving size: 3 Capsules Servings per container: 36
Recommended use: Take 3 capsules or caplets daily until desired comfort is reached. May reduce number of capsules taken daily to maintain comfort level. Capsules may be taken all at once or divided with meals.†