Mushroom Biomass Waste Is a Source of the Antioxidants Ergothioneine and Glutathione For those of you asking Yes, mushrooms are the solution to old person smell, but some are better than others! Those highest in ergothioneine are: Oyster mushrooms Shiitake mushrooms Ergothioneine in Mushrooms: Unraveling the Health Benefits A review on mushrooms as a versatile therapeutic agent with emphasis on its bioactive constituents for anticancer and antioxidant potential Frontiers Mushroom marvels: understanding their role in human health How the lowly mushroom is becoming a nutritional star