Understanding Nutrition and Diet

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What are macronutrients?

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Macronutrients include proteins, carbohydrates, and fats. They provide energy and essential nutrients for the body.

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What are micronutrients?

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Micronutrients include vitamins and minerals. They are critical for healthy development and disease prevention.

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What do the Dietary Guidelines for Americans provide?

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They offer guidance on what a balanced diet looks like, based on the latest scientific information about nutrition.

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How often are the Dietary Guidelines for Americans updated?

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Every five years, as our understanding of what’s healthy continues to grow.

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What is the recommended calorie distribution from macronutrients?

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10% to 35% from protein, 25% to 35% from fat, and 45% to 65% from carbohydrates.

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What is the role of proteins in the body?

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Proteins are needed for cells to perform critical functions, build muscle, skin, and organs, break down toxins, and can also be used for energy.

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Why are carbohydrates the body's preferred energy source?

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Carbohydrates provide energy right away by being converted into glucose, the main fuel source for nearly every cell.

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What are the three types of carbohydrates?

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Simple carbohydrates (sugars), complex carbohydrates (starches), and fiber.

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What is the difference between simple and complex carbohydrates?

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Simple carbs are digested and absorbed quicker, raising blood glucose faster, while complex carbs take longer to break down.

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Why is fiber important in the diet?

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Fiber helps you feel fuller longer, is important for gut health, and can lower fat and cholesterol in the blood.