[Immune & Energy Support Supplement: This mushroom supplement supports healthy oxygen uptake immune system function and healthy kidney function* Dietary Cordyceps Powder: Our dietary mushroom supplement with Cordyceps supports antioxidant activity and lung health for fitness performance and overall health* 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* Cordyceps Mushroom Powder: As a dietary supplement take a 1/2 teaspoon 1–3 times daily with food or on an empty stomach or as recommended by your healthcare advisor]