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The major nutrients鈥?strong>protein, carbohydrate, and fat鈥攑rovide the body with energy. This energy keeps your heart beating, your brain active, and your muscles working. The energy is measured in calories.

People also ask


  • Which nutrient has the most energy?

  • Fat is the most energy-dense of the three energy-yielding nutrients. It contains 9 calories per gram. Although fat is often blamed for weight gain, fat should actually provide 20 to 35 percent of your daily calories.

  • What are the 3 nutrients that yield energy?

  • Nutrients That Yield Food Energy 1 Carbohydrates. Carbohydrates contain 4 calories per gram. … 2 Protein. Like carbohydrates, protein contains 4 calories per gram. … 3 Fat. Fat is the most energy-dense of the three energy-yielding nutrients. … 4 Considerations. …

  • How do you get energy from food you eat?

  • You get energy from the food you eat in the form of calories. Although there are several different classes of essential nutrients, calories are provided by only three. These nutrients 鈥?carbohydrates, protein and fat 鈥?are called macronutrients because your body needs them in large amounts to function properly.

  • Do B vitamins give you energy?

  • While the B vitamins do help your body metabolize the energy-yielding nutrients 鈥?carbohydrates, protein and fat 鈥?they do not provide you with a burst of energy. Your body needs the calories from the macronutrients for sustained energy.

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