best time to use t3?

[toooosmall]

39, 181 lbs, 5'9", 9th week of 500mg test e 12 week cycle.
I have t3, but don't know when/if to use it. On cycle? in PCT?
Not at all?
I don't know the best ways to use this, though I've read a lot.
I also have clen , keto, stane, clomi, and nolva, and hcg (just to let you know, in case some of these help or hurt in the use of t3)

[scotty51312]

on cycle is the only time to take T3. if not you chance loosing muscle mass as well as fat. But its only an enhancement for propper diet and cardio already being in place