A healthy diet refers to the consumption of different types of food belonging to the basic food groups. The main components of a basic healthy diet are: proteins, fats, carbohydrates, minerals, vitamins, and fiber.
The U.S. Dietary Guidelines describe a healthy diet as one that:
a. emphasizes fruits, vegetables, whole grains, and fat-free or low-fat milk and milk products;
b. includes lean meats, poultry, fish, beans, eggs, and nuts; and
c. is low in saturated fats, trans fats, cholesterol, salt (sodium), and added sugars.