This book offers a comprehensive overview of the scientific evidence supporting the diverse health benefits of Ashwagandha. Each chapter delves into specific aspects, exploring their effects on stress management, cognitive function, physical performance, immune system support, sleep quality, and hormonal balance. Through an evidence-based approach, the book aims to bridge the gap between traditional wisdom and modern scientific understanding, presenting Ashwagandha as a promising herb for enhancing quality of life. The book begins by highlighting the origin and botanical characteristics of Ashwagandha and explores the wide range of its traditional and modern applications. By identifying the main active compounds and their functions, readers gain insight into the herb's potential physiological effects. Further, the book investigates Ashwagandha's potential for preventing and treating COVID-19. The book is intended for general readership, herbalists, naturopaths, alternative medicine practitioners and lifescience/medical students and researchers to gain a comprehensive understanding of Ashwagandha's potential in improving health and well-being while also emphasizing the importance of quality and chemotyping for optimal benefits.