Ergothioneine: The Elusive Amino Acid reishi and roses L ergothioneine, an antioxidant found in certain mushrooms, is thought to neutralise damaging molecules in uterine cells that may contribute to period pain A review on mushrooms as a versatile therapeutic agent with emphasis on its bioactive constituents for anticancer and antioxidant potential How the lowly mushroom is becoming a nutritional star Fungal Antioxidants: Production, Characterization, and Therapeutic Applications Springer Nature Link