Host Defense Mushrooms Lion's Mane Mushroom Mycelium Powder 1.5 g 3.5 oz Pwdr. 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* Lion's Mane Dietary Supplement: 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