Which nutrient has the highest energy density program?
                                
                                
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                                    4 min read                                
                            
                                A single gram of fat provides more than twice the energy of a single gram of protein or carbohydrates. This critical fact highlights that fat is the nutrient that has the highest energy density program, providing approximately 9 kcal per gram compared to the 4 kcal per gram for the other macronutrients.