Cordyceps Mushroom for Energy Support: This herbal supplement supports healthy energy and respiratory tract function with a blend of mushrooms* Dietary Supplement with Chaga Mushroom: Our respiratory supplement is formulated with Cordyceps, Reishi, and Chaga mushrooms to support energy, endurance, and exercise recovery* About Host Defense: Host Defense Mushrooms was founded by renowned mycologist Paul Stamets; our mushroom mycelium is certified organic, non-GMO, gluten-free, and grown in the USA* Powered by Mushroom Mycelium: Our organic mushroom mycelium is grown on organic brown rice substrate; third-party studies show that mushroom mycelium and fermented rice substrate support your health* Herbal Mushroom Supplement: As a dietary supplement, take 2 mushroom capsules once daily with food or on an empty stomach, or as recommended by your healthcare advisor