Shiitake mushrooms have been a popular Asian food for decades. They’re the second most popular and the third most widely cultivated edible mushroom in the world. This Shiitake Mushroom Powder contains antiviral, antibacterial, and anti-fungal properties. Shittake Mushrooms are commonly used as medicine to fight obesity, support immune function, destroy cancer cells, support cardiovascular health, boost energy and brain function, provide Vitamin D and promote skin health.