Book excerpt: Herbal nutraceuticals demonstrate a variety of therapeutic benefits and have been found to prevent, treat, and even cure a range of diseases. This new book provides insight into nutraceuticals and their function in human health, highlighting their antimicrobial and immune-inflammatory properties. It describes the nutraceutical properties of various medicinal herbs and details the role of nutraceuticals in treating diseases such as Alzheimer's, Parkinson's, obesity, diabetes, cancer, cardiovascular diseases, skincare issues, and more.