Fungi Perfecti, Host Defense Mushrooms, Reishi Extract, Supports A Healthy Heart, 2 fl oz (60 ml)Made with US Grown, Triple Extracted Mushrooms Dietary Supplement USDA Certified by the Washington State Department of Agriculture 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 Reishi This popular species, used for more than two millennia in Asia,