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Around 2016, the venture capitalist Peter Teal was at the center of a strange controversy.

One of his lieutenants had connected with a startup that was trying to cheat death.

This company, Ambrosia Health, was infusing older people with the blood of the young.

Bring on the media frenzy and vampire jokes.

Ambrosia got so much attention it was even parodied on the HBO show Silicon Valley.

In one episode, a tech executive was followed around by a so-called blood boy to

siphon his youth whenever he needed a pick me up.

Is this your assistant?

No, of course not.

He's my transfusion associate.

Now, Peter Teel says he never tried it and didn't invest,

though his interest was made public in several news reports at the time.

Now it turns out there is actually a real

untold story about this startup that he helped make famous and the more than 100

people who actually signed up to be a part of Ambrosia's experiment.

I talked to one of them.

...