Biochemistry Nitrogen to caloric ratio in total parenteral nutrition is: A 1 gm of N2: 150 non protein calories B 1 gm of N2: 100 non protein calories C 1.25 gm of N2: 100 non protein calories D 1.25 gm of K: 150 non protein calories 💡 Explanation Nitrogen to caloric ratio in total parenteral nutrition is: ✓ Correct Answer: A. 1 gm of N2: 150 non protein calories