Nutraceuticals means (nutrients+ pharmaceutical). Nutrient means nourishing food or food component and pharmaceutical means medical drug. Nutraceuticals is the product, or the substance not only used for the diet, it can be used to prevent and treatment of diseases. Nutraceuticals is generally isolated and purified from food and sold in the medicinal forms by the Nutraceutical industries. These Nutraceuticals can be classified based on the Natural Source, Pharmacological conditions and the Chemical constitutions. Sometimes Nutraceuticals may be interchanged with functional foods the health benefits. Nutraceuticals used in various diseases conditions like Cardiac diseases, Allergy relief, Cancer prevention etc.