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Nutraceuticals have attracted considerable attention nowadays due to their nutritional, health, and therapeutic effects. In recent years there has been a rise in the use of natural products or functional foods and an expanded food industry market. At the same time, the use of nutraceuticals as an alternative for the pharmaceutical industry is increased, particularly in the human and animal in a variety of diseases and cancers. Due to different illnesses, people’s interest in nutraceuticals is growing day by day. With the rising technology in the food, health, and pharmaceutical sectors, the focus towards functional foods is going to increase, and competition is increasing. Nowadays, due to its greater acceptance, the emphasis is placed on those herbs which are used as food and medicine. Due to complex practice, over medicines and health supplements, the use of nutraceuticals among humans as well as health care providers has increased. Recent studies have provided promising findings in different complications for these compounds.

The aim of this book is to provide the current knowledge about the application of various nutraceuticals in different diseases. In the present book, much effort has been devoted to present new concepts with a wide variety of therapeutic values such as immunity booster, antidiabetic, anticancer, antimicrobial, and gastroprotective. Emphasis has been made to present herbal nutraceuticals effective on hard curative disorders related to oxidative stress including allergy, Alzheimer’s, cardiovascular, cancer, diabetes, and eye, immune, inflammatory, and Parkinson’s diseases as well as obesity. The book starts with an introductory overview of Furthermore, the book covers on creating benefits from omega-3 functional foods and nutraceuticals; nutraceuticals inspiring the current therapy for lifestyle diseases; vitamin K as a diet supplement with impact in human health; the prevalence of dietary supplements use among gymnasium users; and bioactivity evaluation of a novel formulated curcumin. Increase in a shift towards preventive therapies and increasing disposable income, favorable pricing environment growth in the pharma retail chain and increase in healthcare spending is mainly responsible for increasing market for nutraceuticals in India, but lack of standardization and awareness, high pricing, marketing, and distribution are some challenges. The nutraceuticals market is seeing tidal growth mainly in the United States, India, and European countries. Faster access to this market is possible through business partnership models, effective regulatory compliance, and by evaluating key trends and consumer preference. In this compilation, several nutraceuticals are described based on their availability as food, chemical nature, and mechanism of action.