" as well as providing a potential source of antioxidants, "B vitamins, selenium, potassium, copper, and (particularly when exposed to the sun) vitamin D. Should you loved this informative article and you would like to receive more details concerning manufacturer of shiitake mushroom extract powder for pharmaceutical Ingredients please visit the web page. " For example, one cup of dried shiitake mushrooms have solely about 43 calories, yet provide up fiber (3.2 g), protein (12.Three g), Omega-6 fatty acids (125 mg), phosphorous (98.8 mg), potassium (290 mg), magnesium (16.9 mg), selenium (5.6 mg), folate (12.