Nutrition is an important aspect of developing and maintaining health. Each individual has different nutritional needs and a distinctive physiological make-up. Enriched nutrition is linked to stronger immune systems, decreased risk of non-communicable diseases, enhanced infant, child and maternal health, longer life spans, as well as safer pregnancy and delivery. Nutrition and diet are inextricably and intimately linked to all aspects of drug efficacy, metabolism and safety. Nutritional therapy seeks to alleviate symptoms and a variety of illnesses by assessing and altering lifestyle as well as dietary practices. A significant advantage of nutritional treatment is its capacity to aid in the management of chronic diseases, such as heart disease, diabetes, cancer and digestive issues. It can include treatment methods like oral supplements, IV treatments and medical food. This book discusses the fundamentals as well as modern approaches of nutritional therapeutics and pharmacology. It presents researches and studies on their role in health and disease, performed by experts across the globe. This book will prove to be immensely beneficial to students and researchers in this field.