Anne Truong MDMen's Sexual Health Doctor

This Single Chemical Missing Causes Your ED (Not Your Mind). #NitricOxide #Endothelium #Erection

14 Dec 2025 · 1 min

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Nitric oxide deficiency prevents blood vessels in the penis from relaxing and opening properly, cutting off blood flow. Anne Truong MD explains how endothelial dysfunction stops your body from making enough nitric oxide, and what conditions and habits damage this system.

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So what happens when you don't have enough nitric oxide? Well, the smooth muscle doesn't relax, the artery doesn't open up, the blood doesn't rush in. No. Or weak, incomplete. But here's the problem. Does it have condition and lifestyle factor destroy this capacity for you to make nitric oxide? All right, let me break this down for you. Number one, endothelial dysfunction. The endothelium is a cell that line the inside of your blood vessel. Imagine like a pipe like this, and it lines the inside of it. This is what makes nitric oxide.