Nitric oxide precursor but 50-70% degraded by intestinal arginase (first-pass). L-citrulline is SUPERIOR for increasing plasma arginine and NO production (bypasses gut arginase). --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.