Mesterolone is a synthetic male hormone (androgen). It supports male characteristics without strongly suppressing natural hormone production.

What Mesterolone Is Used For

Male hormone deficiency (hypogonadism)
Some cases of male infertility linked to low androgens
Reduced libido linked to low testosterone, as advised by a specialist

Common Side Effects

Frequent or prolonged erections
Acne
Mood changes
Prostate changes

Precautions

Mesterolone must not be used by women, or by men with prostate or breast cancer. It should be prescribed and monitored by a doctor, with checks of the prostate and liver. It is not for bodybuilding.

This page is general information only. It is not a substitute for advice from your doctor or pharmacist, and it does not include dosage. Always follow the directions given to you and read the leaflet inside the pack.