Andrew Huberman· PhD
So there's basically three hormones, so genetics plays a huge role in this. There's no question that just out of the box, people have a different like set point for SHBG. Mine is incredibly low. My SHBG is like kind of in the 30s, 20s to 30s. But from a hormone perspective, there's basically three hormones that run it. So estradiol being probably the most important, insulin and thyroxine.