Trestolone
Trestolone Acetate (MENT) is an experimental injectable steroid originally researched as a male contraceptive. It’s essentially a 19-nortestosterone derivative with a 7-alpha methyl group that prevents 5α-reduction to DHT, reducing prostate and hair side effects while maintaining potent anabolic activity.
MENT is extraordinarily potent - studies suggest it’s at least 8× more anabolic than methyl-testosterone and can exceed Trenbolone’s potency in certain assays. The compound aromatizes into a powerful estrogen (7α-methyl estradiol) and has progestogenic activity, leading to significant estrogenic effects and potential prolactin elevation.
Trestolone appeals to users who want a very strong injectable with major mass and libido effects, but it is closer to a research-heavy specialist compound than to a mainstream mass-builder. The side-effect management burden is usually higher than people expect from reading casual cycle logs.
Administration: Injectable compound. Most users use daily to keep blood levels steadier and side effects easier to read.
Ester handling: Available as Acetate. Short esters usually need more frequent injections, while longer esters trade flexibility for convenience.
Support planning: Do not assume every side effect is estrogen driven. 19-nor compounds need a plan for prolactin, blood pressure, recovery, and sexual function.
Stop or reduce if: blood pressure climbs, sleep degrades, libido crashes, or labs move sharply in the wrong direction.
Users describe MENT as ‘synthetic super-testosterone’ or ‘Tren with estrogen,’ providing rapid mass and strength gains with improved mood and sky-high libido. The compound can cause profound euphoria and well-being at moderate doses, with some users crediting it with life-changing improvements in motivation and confidence.
However, MENT’s side effects ramp up non-linearly - while 10-20mg daily might feel manageable, 40-50mg can cause severe issues including insomnia, paranoid aggression, and overwhelming estrogenic effects. The compound requires careful estrogen management and typically needs stronger PCT due to profound HPTA suppression.
The main mistake is assuming it can replace Testosterone cleanly just because it is potent. In practice, estrogenic, progestogenic, and recovery variables pile up quickly. Another one is using it before the user has ever shown good control over simpler compounds.
Compared with Testosterone, it is far more complex to manage. Compared with Trenbolone, it can still be extremely potent but tends to create a different mix of estrogen and libido issues rather than the classic tren picture.
Natural suppression with reduced fertility and testicular output
High estradiol, water retention, and gynecomastia risk if estrogen is unmanaged
Sexual dysfunction, low libido, or nipple sensitivity if prolactin rises
CBC / hematocrit
blood pressure
lipid panel
estradiol
prolactin
Uncontrolled hypertension or untreated cardiovascular disease
Pre-existing severe infertility concerns unless that risk is accepted and managed
Current uncontrolled estrogen-sensitive issues such as active gynecomastia
History of severe prolactin issues, sexual dysfunction, or intolerance to 19-nor compounds
First-cycle or low-experience use