The carb food group includes many foods that areFormula 41 Extreme  packed with vitamins, minerals and phytochemicals (disease-protective plant chemicals). A healthy diet must include carbohydrates.The brain's favorite fuel is carbohydrate. If absolutely necessary, the brain will utilize fat (in the form of ketones), but it performs less efficiently on this type of energy. Current evidence demonstrates a clear association between intellectual performance and the presence of carbs

http://www.supplements4help.com/formula-41-extreme/