Superfood Mushroom Mycelium. 17 Species Blend. Comprehensive Immune Support. USDA Organic. Gluten Free. Vegan. Bee Friendly. From the Forest, to our Farm, to You. Our liquid extracts provide rapid absorption and are great for those seeking immune support. Host Defense extracts may be used directly from the bottle, or in water, warm tea, coffee, juice or smoothies. Host Defense MyCommunity. MyCommunity is the 17 species Host Defense formula originally created by Paul Stametsthe most comprehensive Host Defense extract formula for Supporting Natural Immunity.