Dr. Lavetta Mccoy practices Nutritional Medicine in JACKSONVILLE, FL. Dr. Mccoy has received an education on and advises people on matters of food and nutrition, considering how they both impact health. Nutritionists? help patients choose the right things to eat, help them plan menus, and advise them on the health effects of certain foods. Nutritionists assess a patients current dietary habits and needs, educate them on healthy eating habits, follow up to ensure the menus are working, and write reports that document a patients progress.