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

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

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 as Calories with a capital C.
2. Recall the general energy values for macronutrients: carbohydrates, proteins, and fats each provide a specific amount of energy per gram.
3. Identify that carbohydrates provide approximately 4 kilocalories per gram, which is a standard value used in nutrition science.
4. Recognize that proteins also provide about 4 kcal per gram, while fats provide about 9 kcal per gram, and alcohol provides about 7 kcal per gram.
5. Conclude that the correct energy value for 1 gram of carbohydrate is 4 kilocalories (Calories).