It is a food supplement that has immunostimulant effects during the winter. Beta-glucans are components of the membranes of numerous mushrooms, including shiitake and maïtake. They have immunostimulant effects during the winter, in case of fatigue. It boosts the body's natural defenses, for people with low immunity, antineoplastic and antiretroviral, lowers cholesterol, triglycerides and high glucose levels in patients suffering from hyperglycemia and controls blood pressure.