Superfood Mushroom MyceliumEnergy SupportUSDA OrganicGluten Free & VeganDietary SupplementPaul Stamets Fungi Perfecti, LLCEco PackagingBee FriendlyNon GMOCertified Organic by the WSDA Traditionally used for strenuous, high-altitude activities, Cordyceps is known to support increased oxygen uptake, energy, stamina, and endurance levels without the crash that comes from stimulants like sugar and caffeine. Made with double-extracted, organic mushroom mycelium grown in the USA. Cordyceps: Supports energy, stamina, and endurance.Promotes healthy respiration.Promotes healthy kidney function.Supports brain health with aging. Supports a balanced immune response. 1 Best-Selling Mushroom Brand in The U.S. Fungi Perfecti® —makers of Host Defense® Mushrooms™ was founded by renowned mycologist Paul Stamets to build a bridge between people and fungi. We specialize in mycelium-based supplements for immune support and whole-body wellness. Sustainably grown in the USA, our mushroom mycelium is cultured on organic brown rice. Host Defense® formulations are based on scientifically validated data to ensure quality and safety.