In a stable infant, what is the macronutrient breakdown recommended for parenteral nutrition support?

• A. Protein 2-3 g/kg/day (10-20% kcals), fat < 30% kcals, carbohydrates 45-50%
• B. Protein 1-2 g/kg/day, fat 40-50% kcals, carbohydrates 10-20%
• C. Protein 4-5 g/kg/day, fat 60% kcals, carbohydrates 20-30%
• D. Protein 0.5-1 g/kg/day, fat 50% kcals, carbohydrates 50%

Answer: (A)