Shiitake Mushroom is a potent antioxidant, with wonderful immune strengthening abilities, this medicinal mushroom is used in China for many health reasons including promoting heart health by reducing cholesterol, reducing the risk of cancer and increasing optimal health. Its full of an incredible range of essential nutrients including Thiamine (Vit. B1)Riboflavin (Vit. B2) Niacin (Vit. B3) Pantothenic acid (B5) Vitamin B6 Vitamin D Calcium Iron Magnesium Phosphorus Potassium Sodium Zinc and Manganese. There is also extensive research in their ability to prevent thrombosis.