Proviron
$103.00
Buy Proviron (Mesterolone) 50 mg from Stealth Labs USA
Stealth Labs Proviron delivers pure Mesterolone — a potent oral androgen known for enhancing muscle hardness, boosting free testosterone, and controlling estrogenic side effects. Each tablet contains 50 mg of pharmaceutical-grade Proviron, rigorously lab-tested for quality and consistency by Stealth Labs USA.
What is Proviron (Mesterolone)?
Proviron is a DHT-derived androgen that doesn't convert to estrogen and doesn't suppress natural testosterone production at moderate doses. It's widely used during cutting and recomposition phases to improve muscle density, libido, mood, and to mitigate bloating or gynecomastia symptoms [Clinical Study].
Why Hardcore Researchers Use Stealth Labs Proviron
- Enhances muscle hardness, dryness, and vascularity
- Boosts free testosterone by binding to SHBG
- Improves libido, mood, and training aggression
- Mitigates estrogenic side effects without needing an AI
How to Integrate Proviron into a Research Cycle
Proviron is commonly dosed at 25–75 mg daily. It stacks seamlessly with injectables like Testosterone Propionate 100 to maintain a dry, aesthetic look during a cut. It's often added into Trenbolone-based cycles like Tren A 100 to amplify aggression and muscle quality without adding water retention.
Proviron vs Traditional AI (Aromatase Inhibitor)
While Proviron doesn't directly lower estradiol levels like Arimidex or Letrozole, it helps control estrogen's impact on the body by increasing androgen dominance, improving physique outcomes without the harsh crash sometimes caused by full aromatase suppression.
Lab Test Results

Cycle Enhancement Stacking Suggestions
- Testosterone Propionate 100 + Proviron for dry strength cycles
- Masteron Propionate + Proviron for sharp physique hardening
- Trenbolone Enanthate 200 + Proviron for maximum androgenic effect without water bloat
FAQ About Stealth Proviron
What is Stealth Labs Proviron used for?
Stealth Labs Proviron is used to increase muscle hardness, boost free testosterone, enhance libido, and mitigate estrogenic side effects during research cycles.
Is Proviron a substitute for aromatase inhibitors?
Proviron doesn't directly block estrogen production but helps maintain androgen dominance and dryness, reducing the need for harsher AIs in mild to moderate cycles.
Does Proviron increase free testosterone?
Yes. Proviron binds to SHBG (sex hormone-binding globulin), freeing more active testosterone in circulation and enhancing anabolic activity.
Where can I buy authentic Stealth Labs Proviron?
Order real Proviron 50 mg tablets through our Stealth Labs USA product line — trusted for purity and clinical-grade quality.