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glutathione l theanine L-Theanine Master L-Theanine: Your Guide to
Description
The main role of nitric oxide is in raising the intracellular concentration of cyclic guanosine monophosphate (GMP), which eventually leads to the relaxation of the smooth muscle in the arteries and arterioles, increasing the penile blood flow and resulting in an erection

Great that everything is included

Q., Huang, S

Boregowda SV, Krishnappa V, Strivelli J, Haga CL, Booker CN, Phinney DG

doi: 10.1038/s41598-025-03757-3
