The Role of Edible Mushrooms in Immune Support Springer Nature Link Dietary Sources of the Longevity Vitamin Ergothioneine 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 Note on Mushroom Nutraceuticals in Mnires Disease[v1] Preprints.org How the lowly mushroom is becoming a nutritional star