Oral only is a horrible idea..
There's is simply no therapeutically value for athletes to run an oral only with shutting themselves down without exogenous T included.
People need to remember that hormones especially testosterone are "chemical messengers" that rely messages to cells that display specific receptors for each hormone and respond to the signaling..Depending on the hormones and the individuals metabolization ratio with the hormone they can/may make changes directly to a cell, by changing the genes that are activated, or by making changes indirectly to a cell by stimulating other signaling pathways inside a specific cell group that is effected and effect other processes, thus this can "initiate" an intracellular cascade of events, hormones/TESTOSTERONE have various biosynthetic pathways and nothing can simulate it or duplicate it, although some are synthesized to try and mimic however they can never play the role that testosterone has. Even at just a replacement dose, your body needs T in order to have proper Homeostasis.. Balances within the system and checks. Now removing something entirely is equivalent to removing a BEE from nature.
You'll see different effect that will vary greatly by individual instances, as genetics, age or even ethnicity (in some cases),
Hormones have various biosynthetic pathways occurring in the endorcrine,
some either or before reaching their target tissue (to control plasma levels or active compounds),
or at times after termination of their actions (inactivation and elimination)..
However many of
hormones are metabolized within their target tissue,
in which a complex interplay between
activation and inactivation mechanisms serve to regulate the specificity and the amplitude of the hormonal response..
Always employ T even at a replacement level while you allow the other compounds to be the horse horses.
Someone can have great success with blitz cycles using Test prop and orals, 6-8 weeks off and on. But you we it to yourselves to always keep the very one thing that has made you operate and function,that has made you who you have became as a growing make, that's Test.
Removing T and using something else in place of, is like throwing some nice crispy bacon in the trash and trying to make some artificial synthetic bacon.. Why??? You love bacon right? well you endocrine loves T... Don't take your bodies bacon.