Host Defense MycoShield spray combines five powerful polypore mushroom species: Agarikon, Red Reishi, Chaga, Birch Polypore and Turkey Tail. These five mushrooms provide a unique 'shield' of immune support, available in a perfect traveler's size.Flavored with certified organic cinnamon or peppermint oil, MycoShield offers a refreshing taste and is a must-have item for travelers on the go!