Trenbolone is in fact Nandrolone derivative. However, unlike nandrolone, Trenbolone is not being aromatized or being affected by 5alpha-reductase, it shows no estrogen-related sides. It’s powerful class I steroid with strong androgenic effect and a short half-life – 1-2 days. In fact, this is the most powerful androgen available with triple androgenic effect comparing to testosterone! Also, it increases IGF-1 levels in the blood thus leading to muscle hyperplasia. Although this steroid could be used standalone during mass-gaining cycle a class II steroid like Dianabol or Anadrol should be used… Read More »