Comparison
Equipoise vs Primobolan
EQ for slow, vascular lean mass; Primo for ultra-clean, low-side lean gains.
Equipoise
Injectable AAS (Testosterone Analog)
Primobolan
DHT-Derived Anabolic Steroid (Non-Aromatizing)
Effectiveness Profile
At a Glance
| Equipoise | Primobolan | |
|---|---|---|
| Type | Steroid | Steroid |
| Legal status | Schedule-III | Schedule-III |
| Half-life | 7–10 days | 10.5 days (enanthate); 4–6 hours (acetate) |
| Preferred route | IM | IM |
| Dose frequency | weekly | twice-weekly |
| Beginner dose | 300–400 mg | 300–400 mg |
| Intermediate dose | 500–600 mg | 500–700 mg |
| Advanced dose | 600–1000 mg | 800–1000 mg |
| Cycle length | 16–20 wks | 10–20 wks |
| Bioavailability | — | 45% |
| Time to peak | 84h | 48h |
| Active duration | 336h | 336h |
| Storage | Room temperature, away from light | Room temperature, dry, out of direct light |
| PCT required | Yes | Yes |
| Ancillaries required | Yes | Yes |
| Safe for women | No | Yes |
| Anabolic / androgenic | 100 / 50 | 88 / 44 |
Verdict
Equipoise wins for: slow-and-steady lean bulks, boosting endurance through increased RBC count, high-dose value (cheaper per mg), strong appetite support, and adding visible vascularity and fullness by week 10–16. Handles higher mg loads before side effects become limiting.
Primobolan wins for: unmatched side-effect tolerability, totally dry and clean gains (fully non-aromatizing, no water retention, no E2 management), contest prep and cuts where quality matters over volume, suitability for women and older users, and easier management of blood pressure and long-term health. Primo is also much less likely to tank libido or cause anxiety at common doses.
Pick A or B?
Pick Equipoise if:
- You want a vascular, endurance-boosting backbone for a long lean bulk or recomp (14+ weeks).
- Appetite support is a feature (hardgainer, or high-calorie diets become nauseating on other compounds).
- You plan on running higher doses (>400 mg/week) without quick escalation of side effects.
- RBC/hematocrit support is a goal (hybrid athletes, endurance/conditioning phases).
- You're sourcing on a budget and want maximum anabolic mg for the dollar.
Pick Primobolan if:
- You're prioritizing predictable, minimal side effects and zero estrogenic bloat (cutting, contest prep, older users, women).
- You want a compound with a long safety track record, especially for leaning out or improving cosmetic quality.
- You're sensitive to anxiety, BP, or appetite spikes.
- You have reliable, tested sourcing and can afford to run a proper dose (400–700mg/week for men).
- You care about photo-ready conditioning and lean tissue retention on a deficit.
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