The TPN solution is a complex mixture that includes:
Amino acids (for protein) Dextrose (for carbohydrates) Lipids (for fats) Electrolytes (such as sodium, potassium, and magnesium) Vitamins Trace elements (such as zinc, copper, and manganese)
The composition of the TPN solution is customized according to the patient's specific nutritional and metabolic needs, which are determined by regular blood tests and clinical assessments.