Depending on the range, mushrooms are rich in vitamins and minerals, like vitamin D, potassium, selenium, and copper, says culinary and integrative dietitian Marisa Moore, MBA, RDN, L.D. They're high in fiber, which can help help digestion and heart health1, registered dietitian Brenna Wallace, M.S., RDN, LDN, says. When you cherished this article in additio...