Registered dietitian nutritionists, or RDNs, are food and nutrition experts, translating the science of nutrition into practical solutions for healthy living. The expertise, training, and credentials that back a registered dietitian nutritionist are vital for promoting positive lifestyle choices.When you need food and nutrition information based on facts or need to know how a healthy diet improves health and fights disease, Uzma Khan, RDN can be your go-to source. Dietitian Khan can teach you how to eat a healthy and balanced diet. An improved diet can suppress or improve conditions such as diabetes, obesity, and kidney diseases. Dietitian Khan's goal is not to stop you from eating what you like, rather she will help you analyze your meal choices and educate you.