Which of the following foods provides 4 kcal of energy per gram?
                                
                                
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                                    4 min read                                
                            
                                According to the U.S. Department of Agriculture (USDA), both carbohydrates and proteins are the macronutrients that provide approximately 4 kcal of energy per gram. This energy density is a fundamental concept in nutrition, influencing everything from daily dietary choices to weight management. Understanding which of the following foods provides 4 kcal of energy per gram is crucial for a balanced diet.