As such, side effects such as gynecomastia and fluid Dbol not expected with the legal Dianabol. The co-administration of an antiestrogen such as an aromatase inhibitor like anastrozole or a selective estrogen receptor modulator like tamoxifen will reduce or prevent estrogenic side effects. D-BOL has no progestogenic activity. Unlike methyltestosterone, owing to the presence of its C1 2 double bond, Dianabol e. The elimination half-life of Dianabol e. Eliminated in the urine. The primary urinary metabolites detectable for up to Dbol days, and a recently discovered hydroxymethyl metabolite found in urine for up Dianabol 19 days after a single 5 mg, Methandienone pills. Several of the metabolites are unique to Dianabol e.