A $5 Supplement Might Slow Alzheimer's And It's Already on…

A $5 Supplement Might Slow Alzheimer's And It's Already on Your Shelf By Talmedora Editorial | May 5, 2026 What if one of the most promising tools for fighting Alzheimer's disease wasn't a cutting-edge drug, but a simple amino acid you can buy at any pharmacy for a few dollars? New research suggests exactly that. A new study suggests a surprisingly simple compound could help fight Alzheimer's disease. Researchers found that arginine, an inexpensive amino acid already considered safe, can reduce the buildup of toxic amyloid proteins in the brain, a hallmark of the disease. Arginine is a naturally occurring amino acid found in meat, fish, nuts, and dairy. It's also sold as a dietary supplement, commonly used by athletes for muscle recovery and cardiovascular health. But researchers at Kindai University in Japan discovered it might have another use entirely. In animal models, both mice and fruit flies, oral arginine significan