Glucosamine supplements may speed memory loss from Alzheimer’s, new research shows

Animal experiments and analysis of patient records suggest that taking glucosamine is safe for a healthy brain but is associated with further decline in diseased brains.

By: Ramon Sun, University of Florida, The Conversation

Outlets: The Conversation

Published: June 9, 2026

Words: 872

Last Updated: 1 week, 6 days ago

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By Ramon Sun, University of Florida

People with Alzheimer’s disease who took the common supplement glucosamine were 25% more likely to die within five years than those who didn’t. That’s the key finding of a new study that my colleagues and I published in the journal Nature Metabolism.

Glucosamine is a sugar molecule that’s sold over the counter as a remedy for joint pain and arthritis. More than 40 million Americans take it …

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