So basically it comes down to agmatine > arginine due to different pathways in the body which ultimately leads to agmatine actually working. I haven't looked at the studies (which is obvious by my ignorance on the subject) but I trust that you know what you're talking about (because you always seem to) and there is definitely enough evidence on this forum to show that it does what it says it will do. May have to order me a bottle when I move into my housing in a few weeks! Thanks coop!
Heh, almost. Agmatine -> arginine is not the primary MOA. Remember, we're dealing with a different pathway altogether than elevating an NO precursor (arginine). If you wish to see the specific studies I'm referencing, PM me your email address and I'll see if I can send you the full texts where they elucidate the mechanism.
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The above is my own opinion and does not reflect the opinion of PES