Rhonda Patrick· PhD
The three that you mentioned, I think, have slight advantages, the fibroblast FGF21 and TGF beta. I should mention, that is an...the other two are natural alpha-klotho and fibro FGF21. But the TGF beta receptor is normally membrane-bound. We made a soluble form of it. So all three of them tend to be soluble, and they effectively act like the young blood in rejuvenating these mice and dogs, and hopefully, soon there'll be in human clinical trials.