Which of the following is NOT considered a macronutrient in human nutrition?

• A. Fat
• B. Protein
• C. Vitamin C
• D. Carbohydrate

Answer: (C)

Verified step by step guidance

1. Step 1: Understand the definition of macronutrients. Macronutrients are nutrients required by the body in large amounts to provide energy and support bodily functions. The primary macronutrients are carbohydrates, proteins, and fats.
2. Step 2: Identify the options given: Fat, Protein, Vitamin C, and Carbohydrate.
3. Step 3: Recognize that Fat, Protein, and Carbohydrate are all macronutrients because they provide calories (energy) and are needed in large quantities.
4. Step 4: Understand that Vitamin C is a micronutrient, which means it is required in smaller amounts and does not provide energy but is essential for other functions like immune support and antioxidant activity.
5. Step 5: Conclude that Vitamin C is NOT considered a macronutrient, distinguishing it from the other options.