Arginine vs Citrulline for increasing nitric oxide
By Mike Mahler
Arginine and citrulline are both amino acids involved in the nitric oxide (NO) pathway, which promotes vasodilation(widening of blood vessels), improving blood flow, exercise performance, and cardiovascular health. However, they differ in how effectively they work for these purposes. ✅ Key Differences: Feature L-Arginine L-Citrulline Role Direct precursor to nitric oxide Converts to arginine in kidneys, then to NO Bioavailability Poor (broken …
