NeolPharma PROVIBOL 25 is pharmaceutical-grade Mesterolone (Proviron) in 25 mg tablets, with 30 tablets per bottle. This red-box classic is the exact same ultra-pure Proviron trusted by bodybuilders and TRT users worldwide as the perfect companion compound for increasing free testosterone, libido, mood, and that dry, hard, vascular look.
Benefits
- Dramatically increases free testosterone by binding to SHBG
- Extreme muscle hardness and vascularity – the ultimate “dry” compound
- Powerful anti-estrogenic effect – prevents gyno and water retention on wet cycles
- Massive libido, mood, and confidence boost (often called “feel-good” steroid)
- Enhances fat loss and muscle definition without adding size
- No suppression of natural testosterone – can be used during PCT or cruise
- Improves overall androgenic tone and well-being
- Perfect synergy with any testosterone or wet compound stack
Usage Instructions
- Dosage: Standard (androgen boost/anti-E): 25–50 mg/day (1–2 tabs) – Advanced/libido or contest: 50–100 mg/day (2–4 tabs) – Women: Not recommended due to strong androgenic nature
- Administration: Oral – split doses morning and evening (with or without food)
- Cycle length: 8–12 weeks or longer (very mild, can be run indefinitely at low doses)
- Best stacked with: Testosterone, Deca, Tren, or Dianabol to counter estrogen and boost free test
- Liver support: Generally unnecessary (non-17-alpha alkylated)
Cautions
- Strong androgenic effects – acne, hair loss (if predisposed), prostate enlargement possible
- Can lower estrogen too much – monitor for joint pain or low-E symptoms at high doses
- Not a mass builder – used primarily as an enhancer/support compound
- Keep in cool, dry place away from direct sunlight






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