The document discusses nutraceuticals, which are products derived from food that provide health benefits and can be used as supplements or functional foods. It outlines various components of nutraceuticals, their sources, potential benefits, and the growing market for these products globally, particularly in the USA, Japan, and India. The document also emphasizes the relationship between nutraceuticals and functional foods, detailing how they can target specific health issues and the classification based on their sources and benefits.