Every 1 ml contains 100 mg of Methenolone Enantate A popular oral and injectable anabolic steroid, Primobolan (also known as Methenolone and Primo) is best described as a long acting anabolic with mild anabolic effects and extremely low androgenic properties. This non-17-alkylate steroid is one of the most admired performance enhancing drugs among those who are prone to liver toxicity, liver damage, or elevated liver values while using oral steroids. Primobolan can be detected over a period of 4-5 weeks and its anabolic/androgenic ratio is 88:44-57. This anabolic androgenic steroid is available both as an injectable (enanthate) and oral (acetate). The active life of oral Methenolone is 4-6 hours and active life of liquid (injectable) Methenolone is 10-14 days.