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    Sterling Knight Proviron 25 60tab 25mg/tab
  • Sterling Knight Proviron 25 60tab 25mg/tab

Sterling Knight Proviron 25 60tab 25mg/tab

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  • €26.00


Manufacturer: Sterling Knight

Substance: Mesterolone

Pack: 60 tablets 25mg/1tabl

Sterling Knight Proviron 25 60tab 25mg/tab

Exploring Mesterolone – Proviron: Usage, Effects, and Considerations

Proviron, also known as Mesterolone, is a medication with anti-estrogenic properties primarily utilized to tackle estrogen-related concerns. By impeding estrogen receptors in the brain, it prompts a surge in the release of Gonadotropins (LH and FHS), thereby stimulating the testes to produce more testosterone.

Originating in the 1970s, Proviron vanished from the market by the late 1990s, with pharmaceutical giant Schering discontinuing its production. Today, any purported Proviron available online is highly likely to be counterfeit or misrepresented. Despite its initial trials for depression and anxiety treatment, its notable impact on testosterone levels paved the way for its utilization in fertility issues. However, its medical application has since ceased.


Historically, Proviron was indicated for addressing testosterone deficiency and male infertility linked to hypothalamic, pituitary, or testicular dysfunction.


Proviron exhibits predominantly androgenic rather than anabolic effects. Athletes and bodybuilders often integrate it into their regimen to counteract testosterone suppression induced by prolonged anabolic steroid use.

Efficacy and User Experience:

Feedback from bodybuilders using Proviron has been mixed. While some attest to its muscle-boosting potential, many have found it underwhelming. The prevalence of counterfeit products further clouds its reputation. Proviron shares anti-estrogenic properties with Nolvadex or Arimidex, mitigating common side effects like breast enlargement and water retention associated with anabolic steroids.


Although some females have reported benefits in bodybuilding, others have experienced minimal effects. Given its anti-estrogenic nature, female users must be closely monitored by healthcare professionals.


Typically administered orally at 25 mg, 2-3 times daily for several months, followed by maintenance therapy. Its rapid absorption and extended half-life of 12-24 hours necessitate careful monitoring and possible adjunct therapy with Tamoxifen or Arimidex during washout phases.

Side Effects:

Proviron may trigger rare but concerning side effects, including painful erections, libido loss, fatigue, voice deepening, hair growth, acne, and oily skin.


Proviron is contraindicated in children, pregnant females, individuals with abnormal liver function, prostate cancer patients, and those with known allergies.

Cost and Legality:

While expensive, Proviron's purity and quality are dubious. Its black-market availability, often smuggled from Mexico and the Far East, poses challenges in verifying authenticity. Banned by most sports organizations, Proviron's detection in urine for up to two weeks post-use underscores its regulatory scrutiny.

Final Considerations:

Proviron's scarcity renders it an artifact of the past, with the present market rife with dubious substitutes. For those seeking physique enhancement, alternatives like Arimidex offer a safer bet.

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