<qa>  What is the name of the immunostimulatory properties of mushrooms?The immunostimulatory properties of mushrooms have been recognized for centuries, and medicinal mushrooms are still widely used in alternative medicine all over the world. Although a number of fungal components have been implicated in these properties, Beta-glucans have attracted the most attention. However, although Beta-glucans are widely used as a health food supplement, their immunomodulatory effects after administration in humans have not yet been determined. 