Nitric Oxide inhibits smooth muscle proliferation

From the wikipedia page:

"The proliferation is implicated in the pathogenesis of atherosclerosis and is inhibited by nitric oxide."

https://en.wiki pedia.org/wiki/ … h_muscle_tissue

Arginine is taken by a lot of people here, but does this mean it is actually bad for your penis?

i would not solely rely on Wikipedia

There are numerous scientific publications that indicate NO species in reduce cell proliferation.

However it is also a potent vasodilator, so who knows.