Tier IINO precursor
L-arginine + L-citrulline
NO precursor
Recommended Dose
5 + 3 g
Purity Standard
99.7% — sourced from BulkSupplements
Clinical Evidence
312 indexed trials · Tier II
Hallmarks Addressed
Hallmarks 10
NO precursor
5 + 3 g
99.7% — sourced from BulkSupplements
312 indexed trials · Tier II
Hallmarks 10