Anabolic Steroids/Hormones
Mesterolone (Proviron)
Proviron
Oral DHT derivative; low bioavailability, used for SHBG binding / anti-estrogenic effect.
🚧 Expanded guide coming soon. This compound has PK data and a source — a full overview, mechanism, and dosing guide is pending editorial review.
Pharmacokinetic summary
- Model tier
- Advanced (t½ + Cmax + Tmax + F)
- Half-life
- 0.5 days
- Cmax
- 400 ng/dL
- Tmax
- 0.1 days
- Bioavailability
- 3%
- Typical dose
- 25–100 mg
Harm reduction
- Aromatizes
- No
- DHT derivative
- Yes
- Hepatotoxicity
- mild
- Injection frequency
- Oral, daily
Related compounds
Testosterone Enanthate
Long-acting testosterone ester; the most common TRT and cycle base. Reaches steady state in ~5 weeks.
Testosterone Cypionate
Standard US TRT ester with a slightly longer release tail than enanthate. Steady state ~4–5 weeks.
Testosterone Propionate
Short-acting ester with sharp peaks; requires frequent injection. Useful for frontloading.
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