Ergothioneine a dietderived antioxidant with therapeutic potential Halliwell 2018 FEBS Letters Wiley Online Library ERGO+ L Ergothioneine Marcus Institute of Integrative Health Here's How Mushrooms Could Help Fight Ageing L ergothioneine, an antioxidant found in certain mushrooms, is thought to neutralise damaging molecules in uterine cells that may contribute to period pain In a study, researchers found that mushrooms have high amounts of the ergothioneine and glutathione, both important antioxidants, said the senior author. The researchers also found that the amounts the two compounds A Mushroom Derived Compound That Could Change Your Life: Ergothioneine