ABSTRACTNowadays, variety of food available in the market, which have serious health, environmental and social impact. Their consumption is not good for health. Due to all these things, people are fighting with many diseases like diabetes, obesity, cancer, osteoporosis and other allergic health related issues. So, probiotics play an important role in controlling many diseases and ameliorate nutritional, immunological and physiological functions. Basically, it aids proper digestion and improve intestinal health. Probiotics have both nutritive and medicinal values. As it refines physical health, increase longevity and reduces symptoms of many diseases. Also, Nutraceuticals gained popularity among people. They are available in the market in the form of supplements and various food products. By consuming the probiotic as a supplement and food products, people are living active lifestyle. This review summarizes the effect of probiotic on intestinal health and potential of probiotic as nutraceuticals.