Stanozolol Duncan

Stanozolol by Duncan Pharma, best known as Winstrol, is a potent oral steroid prized for muscle hardness, strength and razor-sharp definition. It promotes lean muscle retention and vascularity with virtually no water retention, which makes it a cornerstone of cutting cycles and contest prep. Because it does not aromatize, every effect points toward a drier, harder, more detailed look rather than size — exactly what athletes chasing conditioning want.
| Active substance | Stanozolol (Winstrol) |
| Manufacturer | Duncan Pharma |
| Form | Oral tablets |
| Typical dosage | 30–50 mg per day |
| Half-life | ~9 hours |
| Classification | Oral, cutting/hardening |
Effects and benefits
Stanozolol enhances protein synthesis and nitrogen retention while binding SHBG to free up more active testosterone, sharpening definition and adding strength without bloat. It gives the dry, grainy look associated with peak conditioning.
- Hard, dry, defined muscle
- Improved vascularity and detail
- Strength and endurance without water
- Supports fat loss and a lean finish
Dosage and administration
Most users run 30–50 mg per day for 6–8 weeks with liver support, as it is hepatotoxic and drying on the joints. Compare it with the rest of the oral steroids range when planning a cutting block.
Stacking and combinations
Stanozolol pairs best over a testosterone base such as Testosterone Propionate, often with Oxandrolone for an even leaner, joint-friendlier cutting 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 |
| Half-Life | Approximately 9 hours |
| Detection Time | Up to 3 weeks |
| Anabolic Index | 320 |
| Androgenic Index | 30 30 |
| Estrogen Level | None |
| Active Substance | Stanozolol |
| Aromatization | None |
| Dosage | 20-50 mg per day |
| Drug Category | Anabolic Steroids |
| Form | Oral tablets |
| Product Packaging | 100 tablets |
| Water Retention | None |
| Progestational Activity | Low |
| Liver Toxicity | High |
| Chemical Structure | C21H32N2O |
