A neutral, evidence-rated side-by-side of Drostanolone Propionate (Masteron) and Methenolone Enanthate (Primobolan). Figures are typical reference values, not recommendations.
| Drostanolone Propionate (Masteron) | Methenolone Enanthate (Primobolan) | |
|---|---|---|
| Type | Anabolic steroid | Anabolic steroid |
| Evidence level | Emerging | Emerging |
| Primary class | Androgen | Androgen |
| Half-life | ~2-3 days (propionate ester) | ~5-7 days (enanthate ester) |
| Typical dose | 300–400 mg/wk | 400–600 mg/wk |
| Anabolic : androgenic | 62 : 25 | 88 : 44 |
| Aromatises | No | No |
| Hepatotoxicity | Low | None |
| HPTA suppression | Severe | Moderate |
| Documented effects | 3 | 3 |
| Documented side effects | 3 | 3 |
A DHT-derived, non-aromatising injectable (2-alpha-methyl-dihydrotestosterone) historically used to treat breast cancer for its anti-oestrogenic effect. In bodybuilding it is valued for a hard, dry, defined look near contest time rather than raw mass, with a short propionate ester requiring frequent injection. Androgenic side effects (hair loss, acne) predominate; oestrogenic effects are essentially absent.
Full Drostanolone Propionate (Masteron) page →A mild, DHT-derived injectable (Primobolan) with a reputation as one of the 'safest' anabolic steroids. It is non-aromatising with a low androgenic burden, giving slow, lean gains with minimal oestrogenic or hepatic effects. It has genuine clinical history for anaemia and wasting, but its mildness means modest muscle-building relative to stronger compounds, and it remains fully suppressive.
Full Methenolone Enanthate (Primobolan) page →