Lion's Mane for Brain Support: This mushroom supplement supports immune and nervous system health as well as brain health, making it an ideal dietary supplement for those wanting to aid their focus and memory*. Dietary Supplement with Mushroom Mycelium: Our brain and focus support supplement is formulated with Lion's Mane, "The Smart Mushroom," for daily brain support*. 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*.*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.