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Which nutrient is NOT a macro-nutrient that provides energy?

  1. Proteins

  2. Carbohydrates

  3. Fats

  4. Vitamins

The correct answer is: Vitamins

Vitamins are indeed the nutrient that is not classified as a macronutrient providing energy. Macronutrients include proteins, carbohydrates, and fats, which are essential for energy production and overall bodily functions. These macronutrients are measured in large quantities and are pivotal in supplying energy to the body, as they contribute to metabolic processes and the maintenance of bodily functions. Vitamins, on the other hand, are considered micronutrients and play crucial roles in various biochemical processes, including acting as cofactors in enzymatic reactions, but they do not provide energy directly. Instead, vitamins support the body's ability to use macronutrients more effectively. This distinction between macronutrients and micronutrients is vital in understanding nutritional science and dietary needs.