Host Defense Stamets 7 Extract provides daily immune support with a blend of seven mushroom species formulated by Paul Stamets. This formula includes Reishi for cardiovascular support and overall wellness Lion's Mane for memory and cognition and Cordyceps Chaga Maitake Royal Sun Blazei and Mesima for added immune and whole body support. It helps support immune cell activity and a balanced immune response while also supporting circulatory respiratory digestive cellular and lymphatic functions that are important for immune health. Suggested use is one full dropper twice daily with food or on an empty stomach or as directed by a healthcare advisor. Host Defense products contain no fillers and are third party tested for quality and safety. Made by Fungi Perfecti in Washington State.