Shiitake mushrooms (LENTINULA EDODES) are beneficial for gut and bone health. These impressive mushrooms contain 30% protein. Studies have shown Shiitake Mushrooms help prevent as well as fight COVID and cancer. New studies show that shiitake mushrooms rid the lungs of all bad bacteria. HaaShroom’s mushroom tinctures are triple extracted via purified water, organic glycerin, and alcohol for the highest mushroom potency.