Immune Support Supplement: This herbal supplement aids against tiredness, supports a healthy immune response, and aids oxygen uptake* Energy Supplement with Cordyceps & Reishi: This dietary supplement is made with Cordyceps and Reishi mushrooms to support healthy energy levels and aid relaxation* 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* Mushroom Capsules Supplement: As a mushroom supplement, take 2 Cordyceps and Reishi capsules once daily with food or on an empty stomach, or as recommended by your healthcare advisor