What Type of Nutrition Is an Energy Source?
                                
                                
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                                    3 min read                                
                            
                                According to the Merck Manuals, carbohydrates, proteins, and fats supply 100% of the body's energy. This essential energy is derived from these three macronutrients, which are required in large quantities to fuel daily activities and sustain bodily functions. Understanding what type of nutrition is an energy source is fundamental to building a healthy diet.