Foods Alive - Non-Fortified Nutritional Yeast - 6 oz. (170 g) Foods Alive Non-Fortified Nutritional Yeast is a source of dietary fiber, vitamins, minerals and it's a complete protein. Most Nutritional Yeast products are fortified with synthetic B-Vitamins, but not this one! Grown on beet molasses, Foods Alive's Nutritional Yeast provides the great cheesy flavor you're looking for without the use of synthetic additives.