The world has turned into a hub of various chronic diseases such as cancer, diabetes, asthma, cardiovascular diseases, epilepsy, to name a few. The adoption of an unhealthy lifestyle is the main contributing factor that leads to these diseases. Despite the advancement in the development of drugs and therapies, the complete cure for these diseases is yet to be met. Nonetheless, as Edison's aphorism goes, 'The doctor of the future will no longer treat the human frame with drugs, but rather will cure and prevent disease with nutrition', the new era of medicine has started focusing on 'nutraceuticals'. Nutraceuticals have received undue interest due to potential nutritional, safety, therapeutic effects and affordable prices. Recent studies have shown promising results for nutraceutical products in preclinical and clinical trials. This book is an attempt to bring about the beneficial effect of nutraceuticals in human health evidenced by clinical trials.