cats claw

Hi everyone. I am interested in using Cat's Claw but apparently it is a strong MAO-B inhibitor. What does this mean and is this bad? Thanks.

Peat mentions agmatine as a way to lower nitric oxide. He has mentioned in several emails to me. I'm surprised I didn't find so much about it on the forum. Has anyone tried agmatine? It seems to be a "bodybuilding supplement", and ironically, some agmatine products claim that it actually raises...