These ‘shrooms are a great source of the B vitamins riboflavin, pantothenic acid, and niacin, and are a good source of thiamin, vitamin B6, and a good source of folate, say Lakatos and Shames. “B Vitamins are essential for energy production. Riboflavin does several things to help our bodies produce energy. First, it’s important in aerobic energy production, while it also protects the cell’s energy production house, mitochondria, from damage,” they say. To boot, pantothenic acid fights fatigue during times of stress by supporting the adrenal glands, and niacin helps convert food into usable energy.