Corn grits, are dried corn kernels which have been ground into a fine, medium, or coarse texture. The finely ground grits may be used as corn flour to produce gluten-free foods, pastries, cookies, and cakes. It may also be used as a food filler, a binder, and a thickener.They are high in B vitamins, such as niacin, thiamin, riboflavin and folate which help to keep metabolism, cells and energy levels healthy. Grits are also rich in lutein and zeaxanthin, two antioxidants that keep eyes healthy.