Nitric oxide substrate. Poor oral bioavailability compared to citrulline.
● Issue Jul 2026
Glossary
SYSTEMM · 1 min read
07·01·2026
L-arginine
Nitric oxide substrate. Poor oral bioavailability compared to citrulline.
Nitric oxide substrate. Poor oral bioavailability compared to citrulline.
Nitric oxide substrate. Poor oral bioavailability compared to citrulline.
Weekly. Performance, peptides, and the systems that compound.