Whole Wheat Flour is 100% stone ground from hard red U.S. dark northern spring wheat and has all of the nutritious bran and germ still intact. Nothing is lost in the process of grinding the flour. Whole Wheat Flour is a robust full-flavored flour containing vitamins minerals and protein. This is the pride of Bobs Red Mill and we think its the best whole wheat bread flour in America. Whole Wheat Flour is a good source of calcium iron fiber and other minerals like selenium. Selenium helps in proper cellular function throughout the body and helps improve the immune system. In addition hard red wheat has the highest protein content of all the wheat types. Whole wheat flour contains several vitamins including folate and riboflavin. Consuming whole wheat flour also contributes to your micronutrient intake. Among the nutrients in whole wheat flour are the B vitamins (B-1 B-3 and B-5) which collectively support your metabolism to help your body derive energy from your food. Whole wheat flour is also a good source of phosphorus. This essential mineral makes up a primary component of your DNA cell membranes and bone tissue.