How to pronounce“citrulline”in English

L-citrulline converts to L-arginine, but it lasts much longer in the bloodstream, which is why people tend to use L-citrulline.

and citrulline can lead to increases in cold sores and canker sores, and outbreaks of those kinds.

L-citrulline may actually be the better way to get arginine increases than arginine itself.

But basically L-citrulline, it acts as sort of a donor, or it's kind of a biological prerequisite for arginine and can lead to even bigger arginine increases

And so L-citrulline is out there.

So L-citrulline, yes, will lead to increase blood flow for whatever purpose you want to use it for, whether or not that's pumps in the gym or whatever.

Andrew Huberman: And what about L-citrulline? I hear about L-citrulline used, it's an over-the-counter supplement, and it's in the arginine pathway.