Nutraceuticals are necessary food elements that have both nutritional and therapeutic properties. Nutraceuticals have been discovered to have a good impact on Cardiovascular and immune system health, as well as play a role in the prevention of infection and cancer. Nutraceuticals represent an emerging class of bioactive compounds derived from natural food sources that provide health benefits beyond basic nutritional value. The increasing prevalence of lifestyle-related disorders such as cardiovascular diseases, diabetes, obesity, and gastrointestinal disorders has intensified interest in nutraceuticals as preventive and adjunct therapeutic agents. Nutraceuticals are divided into classes based on their nature and mechanism of action. Various nutraceutical classifications and their potential therapeutic action in disease, such as anti-cancer, antioxidant, anti-inflammatory, and anti-lipid activity, will be discussed in this review. Furthermore, the various mechanisms of action, uses, and safety of these products on consumers, as well as current trends and future prospects of nutraceuticals, will be covered.