readalot
Member

24 hour TT profiles in young eugondal (healthy functional) men (1970s-1980s)
I reached way back for you guys. 1970s-1980s back when we had REAL men. Don’t say I never gave you anything: Circadian rhythms in plasma levels of cortisol, dehydroepiandrosterone, Δ4-androstenedione, testosterone and dihydrotestosterone of healthy young men Check out subject...

Enjoy. There's no way I am copying these graphs again so sorry you have to view this on another site.
I reached way back for you guys. 1970s-1980s back when we had "REAL" men [sarcasm]. Purposely went back to early days with RIA to remove any obstable that ref ranges today and guys today aren't applicable in terms of peak TT levels.