ergothioneine supplements
ergothioneine supplements
Ergothioneine supplements are promoted for healthy aging, cognitive health, and antioxidant defense, but not every claim is backed by strong human evidence. This guide explains what ergothioneine is, how it works, how much to take, and which food or supplement sources make sense. It also covers safety, side effects, and a practical checklist for choosing a high-quality L-ergothioneine product in 2026.