Host Defense Breathe is a complementary blend of Chaga, Reishi and Cordyceps. Chaga is well known in Eastern Europe and Siberia for its support of skin and lung functioning. Reishi has been used for centuries in China to support breathing, cardiovascular system and endurance. Cordyceps has long been celebrated in Asia as a lung tonic and for energy support. Together, they strengthen respiratory function in normal, healthy individuals. Host Defense Breathe Capsules use activated, freeze-dried, Certified Organic mycelium, with a full spectrum of constituents: polysaccharides (beta glucans, arabinoxylane, glucose, xylose, galactose, cordycepic acid), cordycepin, glycoproteins, ergosterols, triterpenoids and other myco-nutrients, which are essential for Supporting Natural Immunity. Directions: As a dietary supplement, take 2 capsules once per day. Can be taken with food or on an empty stomach or as recommended by your healthcare advisor. Keep out of reach of children.