Benefit of knee supplements still unclear

By Allison Bond NEW YORK (Reuters) - The dietary supplements glucosamine and chondroitin sulfate might slow joint damage for people with mild arthritis in their knees, according to a new study. Previous research on the effectiveness of the supplements has been mixed, so experts remain divided on what the findings of this latest study mean for people with knee osteoarthritis, in which wear and tear over time damages the cartilage that lines the joints. Among more than 30 parts of the knee joint measured in the new study, a handful differed between people who took the supplements and those who didn't over the course of two years. The results could also be seen as an indication the supplements do not make a significant difference in arthritis symptoms or severity, one researcher said.



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