Multiple choice

Which of the following provides 9 kcals (17 kJ) per gram?

  1. Alcohol

  2. Fat

  3. Carbohydrate

  4. Protein

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Fat is the most energy-dense macronutrient, providing approximately 9 kcal per gram, whereas carbohydrates and proteins provide about 4 kcal per gram.