Ergothioneine for cognitive health, longevity and healthy ageing: where are we now? Proceedings of the Nutrition Society Cambridge Core Full article: Advances and prospects of ergothioneine in the treatment of cognitive frailty 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 Antioxidants In Mushrooms