Tip:"Many grain-based foods have terms that can fool you into thinking they are whole-grain," Held says. "100% wheat, for example, refers to the fact that wheat is the only grain used. It could actually contain processed white flour and no whole wheat." Some clues to whole grain include the terms "100% whole wheat, whole wheat, whole white wheat, whole rye, whole oats, rolled oats, cornmeal, popcorn, brown rice, wild rice, quinoa, barley and bulgur.