Ergothioneine Mushroom Complex with Organic Maitake, Organic Oyster, Organic Lion's Mane Mushroom Extracts and L Ergothioneine, 90 Veggie Capsules A review on mushrooms as a versatile therapeutic agent with emphasis on its bioactive constituents for anticancer and antioxidant potential A review on mushrooms as a versatile therapeutic agent with emphasis on its bioactive constituents for anticancer and antioxidant potential Dried porcini mushrooms are sources of the antioxidants glutathione (GSH) and ergothionine (ERGO) 40g. Mushrooms are full of antioxidants that may have anti aging potential Penn State University 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