This book provides an oversight of the fundamentals and the developments of nutraceuticals and natural products. It addresses the different types of synthesis and extraction methods, various characterization techniques, and clinical validation of different categories of these products. Their uses in preventive medicine, supplementary nutrition, drug discovery and drug delivery as well as the role of nanotechnology in administering these applications have been discussed with emphasis. Pharmaceutical alternatives based on carbohydrates, proteins, amino acids, herbals, flavonoids, phytochemicals, marine sources, GMOs, and Non-GMOs are other topics of major discussion. To a large extent, the focus of the book is on the nanomaterial and nanochemical aspects these products. This book is an essential read for those who produce nutraceuticals and natural products and those who seek to incorporate different technologies and mechanisms in the developments of food/beauty/medicinal products.