Product Description
| Specifications: | |
| Packaging | 50 tablets (1 x 50) |
| Concentration | 25 mg/tablet |
| Active Substance | Mesterolone |
| Active Half-life | 12 hours |
| Group | Oral Line |
| Subgroup | Anabolic Oral / Anti-Estrogen Support |
| Recommended Dosage | Men’s Dose: 25-100mg per day. Women’s Dose: Not recommended. |
| Oil-based / Base | N/A (Oral tablet) |
| Retains Water | No |
| Aromatization | No |
| Product Description: | |
| What It Is and How It Works | |
| Mesterolone, sold as Proviron, is a unique oral DHT-derived compound. Unlike most steroids, it is not used primarily as an anabolic agent. Instead, it is used as a supportive compound in cycles to manage estrogen, free up bound Testosterone, improve libido, and harden the physique.
Proviron binds strongly to sex hormone binding globulin (SHBG), which means more of the Testosterone and other steroids in your system remain bioavailable and active. It is also a weak aromatase inhibitor in its own right, helping to control estrogen at moderate doses. Many users notice improved mood, libido, and a harder visual look when running Proviron alongside their main cycle. Proviron is not 17-alpha-alkylated and is therefore much easier on the liver than other oral steroids. Side effects are usually mild – possible acne, oily skin, hair loss in predisposed users, and lipid changes. |
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| How is it used? | |
| Proviron has a half-life of around 12 hours, so once or twice daily dosing works well. Most users take it during the entire cycle to keep SHBG suppressed and maintain its supportive effects.
Proviron is rarely used as a standalone compound. Its real value is as a complement to a Testosterone-based cycle, where it amplifies the effects of the other compounds, improves libido (especially with otherwise libido-killing compounds like Deca or Tren), and helps refine the physique. |
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| Dose | |
| This product is dosed at 25mg per tablet, 50 tablets per box. Typical performance dosing ranges from 25 to 100mg per day. Most users find 50mg per day is the productive sweet spot for libido and physique benefits. | |
| Advice From PhoenixFire: | |
| Use as a support compound | Proviron is best used alongside Testosterone or other compounds, not as a standalone. Its job is to amplify what the rest of the cycle is doing. |
| Excellent for libido | Many users notice a significant boost in libido when adding Proviron, especially during cycles with Deca, Tren, or other libido-suppressing compounds. |
| Mild AI effect | At moderate to high doses, Proviron has weak aromatase inhibition. Some users reduce their AI dose when running Proviron at 50mg or higher. |
| Easier on the liver | Unlike most orals, Proviron is not 17-alpha-alkylated. Liver stress is minimal but still worth monitoring during long-term use. |
| Run throughout the cycle | Proviron is typically run for the duration of the cycle, not in short bursts. This keeps SHBG suppressed consistently. |
| FAQ: | |
| Q1 | Will Proviron build muscle on its own? |
| A1 | Minimally. Proviron is not a strong anabolic on its own. It is most useful as a supportive compound that enhances the effects of other steroids in the cycle. |
| Q2 | Can Proviron replace an AI? |
| A2 | Sometimes, at higher doses. It has mild aromatase-inhibiting properties. For heavily aromatising cycles, a dedicated AI is still safer. |
| Q3 | Why does Proviron boost libido? |
| A3 | By binding to SHBG, Proviron increases free Testosterone. It also has its own androgenic action that supports libido and erectile function. |
| Q4 | Is Proviron safe for the liver? |
| A4 | It is much milder than most oral steroids because it is not 17-alpha-alkylated. Liver stress is minimal at standard doses. |
| Q5 | Can women use Proviron? |
| A5 | It is not recommended. Despite being an oral, Proviron is strongly androgenic and can cause virilisation even at low doses. |
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