TweetTren should shut you down harder than Deca, tren binds to the progesterone recptor better, its relative binding affinity (RBA) is much higher:
nandrolone's RBA is 20; trenbolone's is 60. (1)
(1) Cancer Res 1978 Nov;38(11 Pt 2):4186-98
Unique steroid congeners for receptor studies.
Ojasoo T, Raynaud JP.