Adaptogen Science and Wellbeing: Use in Functional Foods, Dietary Supplements and Nutraceuticalsexplores the rich phytochemical constituents of adaptogens and their specific mechanisms of action. This book delves into the numerous phytosterols, vitamins, lignans, alkaloids, and flavonoids present in natural product adaptogens. By understanding these components, readers can appreciate their health benefits, how they enhance nutraceuticals, and how they improve functional food formulations. The book aims to provide a comprehensive overview of these natural substances and their potential applications in promoting overall well-being.The book identifies over 30 species of plants, roots, and fungi, such as sea buckthorn, holy basil, American ginseng, licorice root, maca, cordyceps, ashwagandha, and more. It explains the mechanisms of action and bioavailability of each adaptogen, discussing their immune function and anti-inflammatory benefits, cell energy metabolism for improved vitality, and neurotransmitter regulation for mental well-being. The book concludes with regulatory guidelines, protocols, and challenges for utilizing these natural products in functional foods and nutraceuticals. Introduces historical and traditional backgrounds of herbal species, their phytoconstituents, and bioactive components Examines the adaptogenic actions of plants in nutraceuticals, dietary supplements, and functional foods Highlights multiple mechanisms of action and bioavailability in plants and fungi and effects on health and well-being Explores phytochemical constituents of plants and fungi adaptogens and benefits to health Discusses regulatory guidelines for utilization of natural products as adaptogens in functional foods and nutraceuticals