Some people claim they use L-citrulline supplements for ED and see results. But has research confirmed L-citrulline benefits for ED? And if so, how long does it take for L-citrulline to work for ED?

Medically reviewed by Allison Herries, RDN Key Takeaways Citruline is a nonessential amino acid that's also found in ...

As many remember from high school chemistry class, nitric oxide is a gas naturally produced by the body that promotes blood vessel dilation and, in doing so, encourages blood flow. And while every ...

Erectile dysfunction torments many men, and while the roots of the problem are often psychological rather than physical, there are many cases where physical issues get in the way of healthy sexual ...

Listen, guy. We're not trying to trigger PTSD from our organic chemistry days, but if you're a dude concerned about blood flow downstairs — and therefore, arousal quality — you can't even begin to ...