"Dried mushrooms store great and are an excellent way of keeping them stocked in the pantry. *All mushrooms contain substantial nutrients, including protein, enzymes, B vitamins (especially niacin), and vitamin D2. Mushrooms (and dried mushrooms) are excellent sources of antioxidants as they contain polyphenols and selenium, which are common in the plant world. But they also contain antioxidants that are unique to mushrooms, such as ergothioneine, which scientists are now beginning to recognize as a ‘master antioxidant."