Steroids & Anabolics
Mesterolone (Proviron)
Street names: Proviron, Mest
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Mild anti-estrogen and 'hardness' effect
- Libido boost
- Binding to SHBG, freeing other steroids
⚠Key risks
- Androgenic sides: hair loss, acne, prostate irritation
- Suppresses natural testosterone despite being oral-and-mild
- Expensive per result — heavily counterfeited
✚Overdose signs
- No acute overdose
- Prostate discomfort, urinary symptoms
- Hypertension
📋Quick facts
Also known asProviron, Mest
CategorySteroids & Anabolics
Schedule / classRx-only (varies); unscheduled US (not FDA-approved)
AppearanceWhite 25 mg scored tablets, 'PROVIRON' imprint
Street price~$1–$2 per 25 mg tablet grey-market
Legal statusRx in EU/Asia (Schering legacy); grey-market elsewhere
Last updated2026-09-16
Sources: FDA, EMCDDA
Category comparison — Steroids & Anabolics
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Mesterolone (Proviron) | Rx-only | Androgenic sides: hair loss, acne, prostate irritation; Suppresses natural testosterone despite being oral-and-mild | ~$1–$2 per 25 mg tablet grey-market |
| Testosterone (injections & gels) | Schedule III | Shutdown of natural testosterone production (needs PCT); Cardiovascular strain, raised blood pressure, lipid damage | ~$40–$80 per 10 mL vial grey-market |
| Trenbolone | Not approved for humans anywhere | Harsh cardiovascular and lipid impact — among the most damaging AAS; 'Tren cough' — acute pulmonary reaction on injection | ~$50–$90 per 10 mL vial grey-market |
| Methandienone (Dianabol) | Schedule III | Liver-toxic (17-alpha-alkylated) — hepatitis risk at high doses; Estrogen conversion: gynecomastia, bloating | ~$30–$60 per 100 tablets grey-market |
| Oxandrolone (Anavar) | Schedule III | Hepatotoxicity despite 'mild' reputation; HDL cholesterol crash | ~$1–$3 per 10 mg tablet grey-market |
| Stanozolol (Winstrol) | Schedule III | Severe joint pain (dries out connective tissue); Liver-toxic oral form; injectable form still hepatotoxic | ~$40–$70 per 100 tablets grey-market |
Street prices are regional estimates. Potency and cuts vary constantly.
RxBrand names on the grey market
These brands are sold as this compound. Same molecule, different label and supply chain — quality varies enormously between them.
ProvironMesteroloneProviraplexProviroxyl
?Frequently asked questions
What does Mesterolone (Proviron) look like?
White 25 mg scored tablets, 'PROVIRON' imprint
What are the signs of a Mesterolone (Proviron) overdose?
No acute overdose; Prostate discomfort, urinary symptoms; Hypertension Call emergency services immediately.
How addictive is it?
Androgenic sides: hair loss, acne, prostate irritation Dependence can develop with regular use.