The Original & #1 Researched Brand??Based on published studies in U.S. peer-reviewed journals, Cosamin is the most researched glucosamine/chondroitin brand.The Original and Most Researched Glucosamine/Chondroitin Sulfate Brand on the market since 1992. Supported by Published studies in U.S. peer-reviewed journals.**?**The ingredients in Cosamin have been shown in laboratory tests, including cell-based studies, to help protect cartilage from breakdown.?Based on published studies in U.S. peer-reviewed journals, Cosamin is the most researched glucosamine/chondroitin brand.Cosamin DS is the Original and #1 Researched Glucosamine/Chondroitin Brand based on Published studies in U.S.peer-reviewed journals. The ingredients in Cosamin DS have been shown in laboratory cell culture studies to reduce markers associated with cartilage breakdown.* *These statements have not been evaluated byt the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.