About the most concise answer I can find in one post on the internet.
https://t-nation.com/t/realistic-trt-recomp-progress/253389/3311
search the terms “RIA” “free Testosterone” “equilibrium dialysis” on here for more bits and pieces and fun trivia that I think are practical and interesting (win-win).
unfortunately you can’t filter search results by username “readalot” since that user was banned :-).
Hopefully @RT_Nomad will find them practically useful too!
@Andrewgen_Receptors read this thread as well: