Natural Sun Dried Shiitake Mushrooms, Grown without harmful chemicals by our farmers in a sustainable way. Carefully and Hygienically packed. Mushrooms are rich in riboflavin, potassium, vitamin D, selenium, and other ingredients that are beneficial for human health. Mushrooms are low in calories and fat content and contain a modest amount of fibre, and a dozen minerals and vitamins, including magnesium, zinc, copper, and potassium.