Oxandrolone
A synthetic anabolic steroid with a structure closely mimicking dihydrotestosterone (DHT). Discussed in the context of a subculture of post-pubertal males attempting to increase penile length, but not recommended due to lack of physiological basis.
Videos Mentioning Oxandrolone

Improving Male Sexual Health, Function & Fertility | Dr. Michael Eisenberg
Andrew Huberman
A synthetic anabolic steroid with a structure closely mimicking dihydrotestosterone (DHT). Discussed in the context of a subculture of post-pubertal males attempting to increase penile length, but not recommended due to lack of physiological basis.

#28–Mark & Chris Bell: steroids, powerlifting, addiction, diet, training, & helping others live well
Peter Attia MD
An anabolic steroid mentioned by Peter Attia as one of the drugs often used in sports, which he believes, at physiological levels, is safer than Tylenol.

Exercise, Nutrition, Hormones for Vitality & Longevity | Dr. Peter Attia
Andrew Huberman
A synthetic DHT, used in microdoses to lower SHBG and free up testosterone, but requires careful administration due to liver toxicity if swallowed.