In nutrition, how many kilocalories (Calories) are provided by 1 gram of fat?

• A. 7 kcal
• B. 4 kcal
• C. 2 kcal
• D. 9 kcal

Answer: (D)

Verified step by step guidance

1. Understand that in nutrition, the energy provided by macronutrients is measured in kilocalories (kcal), often referred to as Calories with a capital C.
2. Recall the standard energy values for macronutrients: carbohydrates provide 4 kcal per gram, proteins provide 4 kcal per gram, and fats provide 9 kcal per gram.
3. Recognize that the question asks specifically about the energy provided by 1 gram of fat, so focus on the energy value associated with fat.
4. Use the known energy value for fat, which is 9 kcal per gram, to answer the question.
5. Conclude that 1 gram of fat provides 9 kilocalories (Calories) of energy.