Comparison
Oxandrolone vs Primobolan
Two classic dry compounds—one oral, one injectable. Distinct looks, cost, and sustainability.
Oxandrolone
17α-alkylated oral DHT-derivative
Primobolan
DHT-Derived Anabolic Steroid (Non-Aromatizing)
Effectiveness Profile
At a Glance
| Oxandrolone | Primobolan | |
|---|---|---|
| Type | Steroid | Steroid |
| Legal status | Schedule-III | Schedule-III |
| Half-life | ~9 hours | 10.5 days (enanthate); 4–6 hours (acetate) |
| Preferred route | Oral | IM |
| Dose frequency | twice-daily | twice-weekly |
| Beginner dose | 30–50 mg | 300–400 mg |
| Intermediate dose | 50–80 mg | 500–700 mg |
| Advanced dose | 80–100 mg | 800–1000 mg |
| Cycle length | 6–8 wks | 10–20 wks |
| Bioavailability | 97% | 45% |
| Time to peak | 1h | 48h |
| Active duration | 12h | 336h |
| Storage | Room temperature, dry, away from light | Room temperature, dry, out of direct light |
| PCT required | Yes | Yes |
| Ancillaries required | Yes | Yes |
| Safe for women | Yes | Yes |
| Anabolic / androgenic | 400 / 24 | 88 / 44 |
Verdict
Oxandrolone wins for rapid, visible hardening and strength changes, flexibility of oral dosing, strong efficacy even at low doses (especially for women), and minimal water retention. Faster time-to-effect, great final touch for cuts, less commitment than an injectable.
Primobolan wins for sustainability on longer cycles, lower hepatic strain (injectable ester), milder androgenic side effects (at reasonable doses), and best-in-class tolerability when run at high enough doses. Yields slowly accumulating, photogenic gains that stick post-cycle. True set-and-forget mildness, if you can source the real thing.
Pick A or B?
Pick Oxandrolone if:
- You want a short, decisive oral cutting cycle with visible hardening in <2 weeks.
- You're a woman or low-dose user prioritizing minimal virilization risk.
- You want a strength bump without the scale moving or water retention (e.g., weight-class athletes, photoshoots).
- You prefer orals over injectables for convenience or needle avoidance.
- You need a flexible finisher to stack onto any cycle with minimal new variables.
Pick Primobolan if:
- You plan on running a longer cycle (8-16 weeks) and want a sustainable, mild anabolic.
- You're focused on lean, keepable gains without bulk, bloat, or estrogen drama.
- Health and lipid management are big priorities—especially for older users or those stacking multiple compounds.
- You want the "golden-era," dry look that works for both contest prep and year-round leanness.
- You're experienced, dosing high, and can reliably source legit primo (not underdosed fakes).