CoachP

Effect

Estrogenic activity

Effects from conversion to estrogen by the aromatase enzyme, such as water retention and breast tissue growth (gynecomastia).

3 compounds in the guide

Educational only. A summary of published research, not medical advice or a recommendation. No doses are listed. Compounds are listed from the strongest evidence to the weakest. Being listed isn't a recommendation.

Related pathways

The receptors and pathways behind this effect.

Compounds

  • Testosterone

    FDA-approved

    Anabolic steroids · Large human trials

    The main male sex hormone. Prescribed as testosterone replacement therapy (TRT) for diagnosed low testosterone, and the most widely used anabolic steroid outside medicine.

  • Methandrostenolone

    Previously approved

    Anabolic steroids · Early or small human studies

    One of the first oral steroids, known for fast weight gain, much of it water.

  • Boldenone

    Veterinary only

    Anabolic steroids · Mostly animal & lab studies

    A long-acting veterinary injectable related to testosterone, known among users for raising appetite and red blood cell counts.

Other effects