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Biology

Macronutrients

Quick fact

While carbohydrates, proteins, and fats are the three primary macronutrients, alcohol also provides 7 calories per gram, yet it is not classified as a macronutrient because it is not essential for survival.

Why this is interesting

You've heard the advice to 'eat a balanced diet,' but what makes food actually balanced? The answer starts with three key families of nutrients your body demands in bulk—macronutrients.