A new study has raised concerns about glucosamine, a widely used supplement for joint pain and arthritis. Researchers found that people with mild cognitive impairment who regularly used glucosamine were about 25% more likely to progress to Alzheimer’s disease compared to non-users. The study also identified potential biological mechanisms that may help explain this association, although the exact cause-and-effect relationship remains unclear. Experts stress that the findings do not prove glucosamine causes Alzheimer’s, and more research is needed to confirm the results. However, the study highlights the importance of evaluating the long-term effects of commonly used supplements, especially among older adults at risk of cognitive decline.
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