Often, users experience atrophy of the testicles, sluggish erection Testosterone Undecanoate 40 mg decreased libido. Given that Trenbolone is a nor testosterone derivative, in terms of progestin activity, it has much in common with nandrolone. The steroid can bind to progesterone receptors, which causes the occurrence of gynecomastia and a significant decrease Andriol 40mg capsules libido. The detection time of Trenbolone acetate and enanthate on doping control is up to 5 months. Tren is a universal anabolic drug that is used in various sports disciplines and for completely different tasks.