Dr Noel's Mushrooms Organic Concentrated Shiitake Powder is the most consumed mushroom in Asian countries and is traditionally considered as the elixir of life. Shiitake is rich in Vitamin D and adaptogens, including eritadenine, lentinan, sterols and beta-glucans that increase satiety, block cholesterol absorption, reduce blood pressure and the lihood of heart disease, as well as boosting bone health, heart function.