Tetrahydro- -Carboline is often found in complex natural products and is frequently associated with biological properties, such as anti-cancer, anti-inflammatory, anti-HIV, anti-depressant, and for erectile dysfunction. Rauwolfia alkaloids are representative natural tetrahydro- -Carboline alkaloids. Reserpine is the most well known antihypertensive drug, derived from this type of alkaloids, which is included in the WHO Model List of Essential Drugs as an antihypertensive agent. Antioxidant & Antibacterial Activities of Tetrahydro- -Carbolines is a new book which provides an in-depth overview of chemistry, natural source, and medicinal value of various -Carbolines. This is an excellent review book present about various aspects of Tetrahydro- -Carbolines aimed to offer ready source for chemists, biologists, biochemists, nutrients, pharmaceutical chemists, and health care scientists. Each chapter is well organized and devoted with specific information. This book is written with careto meet the need for industries belongs to health care sectors. Further, this book is the best source of information, covering comprehensive knowledge and application of Tetrahydro- -Carbolines.