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

• A. 7 Calories (kcal)
• B. 4 Calories (kcal)
• C. 9 Calories (kcal)
• D. 2 Calories (kcal)

Answer: (B)

Verified step by step guidance

1. Understand that in nutrition, the energy provided by macronutrients is measured in kilocalories (kcal), often referred to simply 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. Identify that the question asks specifically about carbohydrates, so focus on the energy value associated with carbohydrates.
4. Use the known nutritional fact that 1 gram of carbohydrate provides 4 kilocalories (Calories) of energy.
5. Conclude that among the given options, the correct energy value for 1 gram of carbohydrate is 4 Calories (kcal).