What is the 4th macro nutrient? Unpacking the Nutritional Debate
                                
                                
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                                    4 min read                                
                            
                                While most people are familiar with the three primary macronutrients—carbohydrates, protein, and fat—a significant debate exists in the scientific community over what is the 4th macro nutrient. This discussion centers on whether a non-caloric yet essential component should be elevated to the same status as the energy-providing trio.