The present invention is a grain product. The grain product includes a first fraction including bran. The first fraction is milled to a first particle size of less than 500 micrometers. The grain product also includes a second fraction including germ. The second fraction is milled to a second particle size of less than 500 micrometers. The grain product is at least one of: a food product, a nutritional supplement, a dietary supplement, a fiber supplement, a digestive supplement, a functional food, and a medical food.