In the context of energy balance, approximately how many kilocalories (Calories) are stored in 1 pound (lb) of body fat?

• A. About 7,000 kilocalories (kcal)
• B. About 3,500 kilocalories (kcal)
• C. About 500 kilocalories (kcal)
• D. About 1,500 kilocalories (kcal)

Answer: (B)

Verified step by step guidance

1. Understand that body fat stores energy, and this energy can be measured in kilocalories (kcal), which are commonly referred to as Calories in nutrition.
2. Recognize that 1 pound (lb) of body fat is often used as a standard unit to estimate energy storage in the body.
3. Recall or research the approximate energy content of 1 pound of body fat, which is a widely accepted value in nutrition science.
4. Note that the commonly accepted estimate is that 1 pound of body fat stores about 3,500 kilocalories (kcal) of energy.
5. Use this value to understand energy balance concepts, such as how changes in calorie intake or expenditure affect body weight.