40 million Americans take glucosamine. If you have memory loss, it could accelerate cognitive decline. Ramon Sun | July 20, 2026

https://geneticliteracyproject.org/2026/07/20/40-million-americans-take-glucosamine-if-you-have-memory-loss-it-could-accelerate-cognitive-decline/ 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