A dietician, also known as a nutritionist, is a professional who specializes in food and nutrition. They help individuals to plan and monitor their meals, taking into account any health concerns or dietary restrictions. Some other synonyms for dietician include nutrition counselor, registered dietitian, dietary consultant, and food expert. A nutrition counselor is someone who provides advice on healthy eating, weight management, and disease prevention. A registered dietitian is an expert in food and nutrition, with specific training and certification. A dietary consultant is a specialist in nutritional science who helps others to meet their health goals through diet. Lastly, a food expert is someone who is knowledgeable about food and can provide advice on nutrition and diet.