The word "nutraceuticals" which combines the words "nutrition" and "pharmaceuticals", refers to a fast-expanding area at the center of nutrition and health. These bioactive substances, which are frequently extracted from natural sources, have drawn a lot of interest due to their potential for both therapeutic and preventive benefits on a range of illnesses. Nutraceuticals show preventive and therapeutic effects on chronic diseases, such as cancer, neurological disorders, metabolic syndromes, and cardiovascular disorders, by searching through an extensive collection of scientific literature. It emphasizes the complex functions of nutraceuticals in regulating gene expression, enhancing antioxidant and inflammatory pathways and promoting general health. Nutraceutical research is exploring emerging trends like nutrigenomics and personalized nutrition and it also addresses safety evaluations, regulatory frameworks and future challenges. By offering insights into the possible effects of nutraceuticals on human health, this summary anticipates to further advance our knowledge of these substances.