SARMs
Selective Androgen Receptor Modulators mentioned as an alternative approach to building muscle that did not pan out as hoped by pharmaceutical companies, hinting at potential interest in Follistatin therapies.
Videos Mentioning SARMs

How Hormones Shape Sexual Development
Andrew Huberman
Performance-enhancing drugs that act on androgen receptors, currently a topic of much interest in sports performance augmentation.

The amazing potential to increase muscle mass via myostatin inhibition | Peter Attia and Derek MPMD
Peter Attia MD
Selective Androgen Receptor Modulators mentioned as an alternative approach to building muscle that did not pan out as hoped by pharmaceutical companies, hinting at potential interest in Follistatin therapies.

Drug Testing, New Supplement Research, Squat Science, and Dr. Eric Helms (Podcast Episode 8)
Stronger By Science
A class of drugs that acts like anabolic steroids, also found in Kelly Branton's drug test and discussed for their prevalence in mislabeled supplements.

Supplement Regulation, Steroids, and Rick Collins, Esq. (Podcast Episode 4)
Stronger By Science
A class of chemicals that emerged to replace prohormones, purportedly having similar effects to steroids on performance and hypertrophy by selectively stimulating androgen receptors in bone and muscle.

Patrick Arnold Interview (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
Compounds designed to mimic anabolic steroids by selectively binding to androgen receptors, seeking to achieve anabolic effects without androgenic side effects, but still face challenges with selectivity, hepatotoxicity, and HPTA shutdown.