Gluten is a protein found in wheat, barley and rye, but it can also be found as a filler for other food products. Get tips on avoiding gluten in a diet withhelp from a registered and licensed dietitian in this free video on nutrition and gluten-free diets. Expert: Charlotte Lawson Bio: Charlotte Lawson, a licensed and registered dietitian and nutritionist, works with the Florida Department of Health’s nutrition division as a senior public health nutritionist. Filmmaker: Christopher Rokosz Series Description: Proper nutrition means making good choices and avoiding fad diets that fail to promote longevity in health. Find out how to diet and eat healthy in this free video series on nutrition.