What are the major metabolic fuels include?
                                
                                
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                                    4 min read                                
                            
                                Over 90% of our daily caloric needs are supplied by three primary macronutrients, which are also the major metabolic fuels our bodies utilize. The major metabolic fuels include carbohydrates, lipids (fats), and proteins, which are broken down and converted into usable energy to power all bodily functions.