› sugar › sugarsSugar Definition, Added Sugars, Alternatives - The Sugar ... What are sugars? Sugars is a term referring to a broad category of all mono- and disaccharides: the simplest carbohydrates.Monosaccharides include glucose, galactose and fructose, and disaccharides include sucrose, lactose, maltose and trehalose. 1 Sugars can be naturally occurring (e.g,. found in fruits, vegetables, dairy products and nuts); they can be extracted from plants and dairy and ...