Methenolone Enanthate Duncan Pharma

Methenolone Enanthate by Duncan Pharma, best known as Primobolan, is a mild yet highly regarded injectable anabolic steroid prized for lean, quality muscle with minimal side effects. It does not aromatize, so gains come dry and there is no bloat, which makes it a favourite for cutting cycles and for anyone wanting to hold muscle on a calorie deficit. The long enanthate ester gives stable blood levels with less frequent injections.
| Active substance | Methenolone Enanthate |
| Manufacturer | Duncan Pharma |
| Form | Injectable oil solution |
| Typical dosage | 400–600 mg per week |
| Half-life | ~5–7 days |
| Classification | Injectable, cutting/lean |
Effects and benefits
Primobolan delivers steady, high-quality muscle and helps preserve it while dieting, thanks to strong nitrogen retention and its non-aromatizing profile. It also supports fat loss and definition and boosts red blood cell production, all with a side-effect profile mild enough that it is one of the more forgiving injectables.
- Lean, dry muscle gains
- Preserves muscle on a cut
- No aromatization or water retention
- Improved definition and recovery
Dosage and administration
Because it is mild, effective doses tend to be higher — most users run 400–600 mg per week for 10–12 weeks. Compare it with the rest of the injectable steroids range when planning a cutting or lean-mass block.
Stacking and combinations
Primobolan works best over a testosterone base such as Testosterone Enanthate, often with Drostanolone Enanthate added for extra hardness in a 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 |
| Concentration | Typically 100 mg/ml |
| Half-Life | Approximately 10-14 days |
| Detection Time | Up to 4-5 weeks |
| Anabolic Index | 88 |
| Androgenic Index | 44-57 |
| Estrogen Level | None |
| Active Substance | Methenolone Enanthate |
| Aromatization | None |
| Dosage | 300-800 mg per week |
| Drug Category | Anabolic Steroids |
| Form | Injectable solution |
| Oil-based | Yes |
| Product Packaging | 10 ml vial |
| Water Retention | None |
| Progestational Activity | None |
| Liver Toxicity | Low |
| Chemical Structure | C20H30O2 |
