Immune & Energy Support Supplement: This Reishi powder supplement supports immune health, heart health, and daily energy and stamina* Reishi Mushroom Vitality Supplement: Our mushroom powder supplement is made with Reishi, "The Mushroom of Immortality," to support overall wellness and vitality* 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* Herbal Immune Support Supplement: As a stamina support supplement, take 1/2 teaspoon 1–3 times per day with food or on an empty stomach, or as recommended by your healthcare advisor* Explore the numerous health benefits of mushrooms with Host Defense Reishi Powder. Each serving supports heart and immune health with organic mushroom mycelium. Our Reishi mushroom supplement supports cardiovascular function, energy, stamina, and a healthy immune response. Reishi, known as "The Mushroom of Immortality,” has been used for more than two millennia and now you can experience the support it offers for whole-body wellness. Also shown to support a calm and relaxed body and mind, Reishi is the ideal addition to your daily supplement regimen.* For whole-body wellness support, take ½ teaspoon, 1-3 times daily with food or on an empty stomach, or as recommended by your healthcare advisor. * Powered by organic mushroom mycelium, Host Defense products don't contain any fillers and are third-party tested for quality and safety.* Fungi Perfecti, makers of Host Defense Mushrooms, is a family owned company founded in 1980 by renowned mycologist Paul Stamets with the goal of building the connection between health and beneficial fungi. Our certified organic mushroom mycelium and fruit bodies are grown at our farm near the Olympic Rainforest in Washington State and are sustainably cultivated from responsibly cultured wild strains.* Our mycelium-based mushroom products are non-GMO, gluten-free, and vegan. We are a certified B Corporation and we use eco-conscious packaging that aligns without 110% Climate Positive Commitment. Our continued mission is to explore, study, preserve, and spread knowledge about the use of fungi to help bees, trees, people, and the planet.*