In this era of novel technological innovations, human beings have adopted such a changed lifestyle where food intake is devoid of adequate beneficial nutrients. This problem resulted in increased risk of systemic diseases like diabetes, obesity, hypertension, cancer, cardiovascular and various other lifestyle diseases and as remedy, pharmaceutical drugs are prescribed, which, by default, come with adverse effects and complications. To overcome this, researchers have come up with the concept of nutrients as medicines that has given rise to a self-explanatory term called “nutraceuticals”. The word ‘nutraceutical’ consists of two basic elements-“nutrition” and “pharmaceutical”. Nutraceuticals, in broad sense, are food or part of food that provide medicinal or health benefits along with their basic nutritionalvalue.Itsbenefitsalsoincludethepreventionandtreatmentofdiseaseswithhardlyanyside effect or toxicity. The different food products known as nutraceuticals are dietary fibre, prebiotics, probiotics, polyunsaturated fatty acids (PUFA), antioxidants and other different types of herbal/ natural foods. Since nutraceuticals play a significant role in combating some of the major health issues, this review article is an attempt to highlight the role of nutraceuticals in modifying and maintaining normal physiological functions that maintain an overall well-being of human health.