Ergothioneine a dietderived antioxidant with therapeutic potential Halliwell 2018 FEBS Letters Wiley Online Library 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 review on mushrooms as a versatile therapeutic agent with emphasis on its bioactive constituents for anticancer and antioxidant potential Mushrooms: A rich source of the antioxidants ergothioneine and glutathione ScienceDirect Ergothioneine as a promising natural antioxidant: bioactivities, therapeutic potential, and industrial applications Food & Function (RSC Publishing) DOI:10.1039 D5FO02337H