Читать книгу Low-Carb Diet For Dummies - Katherine B. Chauncey - Страница 68

Six essential nutrients are necessary for good health and for life: protein, carbohydrate, fat, vitamins, minerals, and water. Only protein, carbohydrate, and fat provide energy in the form of calories. Your body needs all these nutrients in order to stay alive. Scientists are discovering, however, that other components are essential for good health. These components don’t yield energy either (in other words, they don’t have calories), but their role in disease prevention is vital. I cover these non-nutrient components in the following sections.