Currently starting week 8 of a Sustanon and NPP cycle. I'm 45, 4th cycle and ready to try Tren. I have 3 bottles of Tren E and 2 bottles of Tren A. I take 1 ml of Sustanon 250and 1.5 ml NPP 100 on Mon, Wed, and Sat. Looking to drop the NPP and start Tren. I see where it's best to try Tren A first time, but can I just switch to Tren E without my levels getting messed up due to half-life?
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