Blendtec Kitchen Mill Whole Grain GrinderEnjoy Whole Grain Health Today Whole grains contain natural fiber. Diets containing adequate amounts of fiber help you stay slim and avoid many of the diseases caused by fiber deficiency. The Blendtec Kitchen Mill will give all the good out of whole grains without overheating them and killing the natural microbes lost in processed foods. Whole grains are more nutritious than refined grains. Natural kernels of whole wheat, for example, contain 16