Understanding a Complex Formula: What is Added to TPN?
                                
                                
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                                    4 min read                                
                            
                                According to StatPearls, Total Parenteral Nutrition (TPN) is a complex and complete nutritional therapy delivered intravenously when the digestive system is not functional. The composition is highly customized for each patient, which raises the question: **What is added to TPN?** The solution contains a precise combination of macronutrients, micronutrients, fluids, and electrolytes to provide the body with all the necessary sustenance.