Agaricus blazei mushroom benefits for health and wellness include supporting immune health by stimulating a very important immune cell known as natural killer cells. Agaricus blazei murill powder supplements will not have the same effect as our nutritional supplement as this formula contains a therapeutic extract of agaricus murill. This liquid organic agaricus blazei mushroom extract is a one of a kind dietary supplement that is safe and effective at supporting the body's natural immune response.