Nutraceuticals are products that serve both nutritional and therapeutic purposes. They provide physiological benefits and can help prevent chronic diseases. Nutraceuticals are utilized to enhance overall health, slow down aging, prevent chronic illnesses, increase life expectancy, and support the structure and function of the body. Recently, nutraceuticals have gained popularity for their potential nutritional, protective, and therapeutic advantages. Recent research has shown promising results for these compounds across a range of health issues. Current reviews have focused on establishing new criteria for nutraceuticals based on disease-specific indications. There is a significant emphasis on natural nutraceuticals that are effective in managing challenging health conditions associated with oxidative stress, such as allergies, Alzheimer's disease, cardiovascular issues, eye diseases, obesity, hypertension, and others.