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Proviron – Onyx-Pharma

39.20$ Original price was: 39.20$.30.80$Current price is: 30.80$.

Mesterolone is used to treat potency disturbances, infertility, and declining physical and mental alertness in the ageing male due to reduced androgen formation. It is an oral androgen which does not aromatize to estrogen. It does not stimulate the body to produce testosterone but may act as an oral androgen substitute to compensate for a lack of natural male androgen. It is suitable for the treatment of all conditions caused by deficient endogenous androgen formation without impairment of spermatogenesis. It is effective as an anti-aromatase in the body, preventing or slowing the conversion of androgens into estrogens. Proviron is well tolerated by the liver.

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SKU: S1023 Category: Orals Tags: Anavar, Mesterolone, Onyx-Pharma, Proviron Brand: Onyx Pharma
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  • Description
Description

Proviron (Mesterolone 25mg | 30 Tablets)

Androgenic Support for Libido, Mood, and Estrogen Control


💊 What is Proviron?

Proviron (active ingredient: Mesterolone) is an oral androgenic compound widely used by athletes and bodybuilders to enhance libido, mood, and hormonal balance during or after anabolic steroid cycles. Originally developed for androgen deficiency and mild depressive symptoms, Proviron is now valued for its ability to promote a sense of well-being, improve sexual function, and provide anti-estrogenic support during cycles.

Though not a traditional anabolic, it complements many steroid protocols — especially in cutting cycles or when stacked with Anavar.


⚙️ How Proviron Works

Proviron binds strongly to sex hormone-binding globulin (SHBG), freeing up more circulating testosterone in the body. This enhances the effectiveness of other anabolic steroids by increasing their active availability.

It also exhibits mild anti-estrogenic effects, helping to block estrogenic activity without significantly suppressing natural testosterone production.


✅ Key Benefits

  • Enhances libido and sexual performance

  • Elevates mood and mental clarity

  • Improves muscle hardness and definition

  • Reduces estrogenic side effects (bloating, gyno)

  • Boosts the effectiveness of other steroids by reducing SHBG

  • May support testosterone levels without suppressing natural production

  • Useful during both cycle and post-cycle phases


📋 Dosage and Administration

User Level Dosage Range Notes
Beginner 25–50 mg per day For libido, mood, and estrogen control
Intermediate 50–100 mg per day Often stacked with Anavar or Testosterone
Advanced 100–200 mg per day Use with caution; monitor for androgenic effects
  • Half-Life: ~12 hours – split dosing recommended (e.g., morning and evening).

  • Cycle Duration: 6–8 weeks is typical for maximum effect.

  • Detection Time: Up to 5–6 weeks after last dose in testing.


⚠️ Potential Side Effects

While Proviron is generally well-tolerated, some users may experience:

  • Mild acne or oily skin

  • Increased body hair growth

  • Possible suppression of natural testosterone (in high doses)

  • No liver toxicity (unlike 17-alpha alkylated steroids)

Because it does not aromatize, there is minimal risk of water retention or gynecomastia.


🔄 Best Use Cases

  • During cycle: To combat estrogenic effects and enhance libido

  • Stacking: Pairs well with Anavar, Winstrol, Testosterone, and Masteron

  • PCT support: Can help maintain libido and mood, though not essential as a standalone PCT compound


🧪 Product Details

  • Chemical Name: Mesterolone

  • Strength: 25 mg per tablet

  • Pack Size: 30 tablets

  • Category: Oral Androgen / Anti-Estrogen Support

  • Form: Oral Tablet

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