Social & Preventive Medicine All are true about Net protein utilization (NPU) except: A Defined as Nitrogen retained / Nitrogen consumed X 100 B Good for estimating protein quality C Egg has the highest NPU value D 1 gram protein is equivalent to 1 gram Nitrogen 💡 Explanation All are true about Net protein utilization (NPU) except: ✓ Correct Answer: D. 1 gram protein is equivalent to 1 gram Nitrogen