Harvard Health Blog
Chondroitin and melanoma: How worried should you be?
By: Robert H. Shmerling, MD, Faculty Editor, Harvard Health Publishing Chondroitin sulfate is among the most popular supplements in the world. Itís often taken in combination with glucosamine for joint disease ó some take it for prevention, others to treat pain. And yet, evidence that it actually works at all is limited at best. One review of the evidence suggested that of the few studies of chondroitin that were positive, nearly all were funded