Gainer

Nutraceutical is a substance that may be considered a food or part of a food which provides medical or health benefits, encompassing prevention and treatment of disease. Products as diverse as isolated nutrients, dietary supplements and diets to genetically engineered designer foods, herbal products, and processed foods (cereals, soups, beverages) may be included under the umbrella of nutraceuticals.

The term nutraceutical combines two words nutrient (a nourishing food component) and pharmaceutical (a medical drug).