Turinabol Duncan

Turinabol by Duncan Pharma, often shortened to Tbol, is a mild oral steroid prized for lean, steady muscle gains with minimal water retention and side effects. A derivative of Methandienone modified to remove estrogenic activity, it builds quality strength and dry muscle without the bloat of stronger orals. Its clean, controllable profile makes it a popular choice both as a lean-bulk kickstart and as a cutting-phase strength preserver.
| Active substance | Chlorodehydromethyltestosterone (Turinabol) |
| Manufacturer | Duncan Pharma |
| Form | Oral tablets |
| Typical dosage | 30–50 mg per day |
| Half-life | ~16 hours |
| Classification | Oral, lean bulk/cutting |
Effects and benefits
Turinabol enhances protein synthesis and nitrogen retention to build lean muscle and strength while binding SHBG to raise free testosterone. Because it does not aromatize, gains stay dry and defined, with better vascularity and no bloat — a favourite of athletes who want performance without a heavy, watery look.
- Lean, dry muscle gains
- Steady strength and endurance
- No aromatization or water retention
- Improved vascularity and definition
Dosage and administration
Most users run 30–50 mg per day for 6–8 weeks with liver support, as it is mildly hepatotoxic. Compare it with the rest of the oral steroids range when planning a lean-mass or cutting block.
Stacking and combinations
Turinabol works well over a light testosterone base such as Testosterone Propionate, or alongside Oxandrolone for an even leaner, more aesthetic stack.
Why choose Duncan Pharma
Duncan Pharma products are made to consistent pharmaceutical standards with dependable dosing. Explore the full Duncan range to build a matching stack.
| Characteristics | |
| Shelf Life | 36 months from manufacture date |
| Drug Class | Anabolic/Androgenic Steroid |
| Concentration | Typically 10 mg |
| Half-Life | Approximately 16 hours |
| Detection Time | Up to 6 weeks |
| Anabolic Index | 54 |
| Androgenic Index | 6 |
| Estrogen Level | None |
| Active Substance | Chlorodehydromethyltestosterone |
| Aromatization | None |
| Dosage | 20-50 mg per day |
| Drug Category | Anabolic Steroids |
| Form | Oral tablets |
| Product Packaging | 100 tablets |
| Water Retention | None |
| Progestational Activity | None |
| Liver Toxicity | Moderate |
| Chemical Structure | C20H27ClO2 |
