How many calories of energy does one gram of protein provide?

• Correct Answer: 5
• 2
• 1
• 4

Explanation: If you eat more protein than you need for these functions, the extra protein is used for energy. One gram of protein provides 4 Calories of energy, the same as carbohydrates. A 13-year-old needs to eat about 34 grams of protein a day. Figure below shows good food sources of protein.

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