Free testosterone levels, along with estrogen, are likely more significant than total testosterone for determining an individual's physique and appearance.

“I can tell you, while I'm not a clinician and I haven't done fancy statistics on it, there's very little correlation between someone's absolute testosterone and how they appear.”

“Cuz I uh I know a lot of guys who like the best physiques in natural bodybuilding are like guys with 500 total testosterones. Like I know guys with three times the amount of testosterone production, much worse physiques. Like it's not always the number on”