Host Defense Mushrooms Lion's Mane Extract - Lion's Mane Liquid Supplement for Brain Health - Mushroom Support for Focus & Memory Function - Immune & Nervous System Support - 1 fl oz (30 Servings)About this item 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