Nandrolone phenylpropionate, by Asia Pharma.
Durobolic is very similar to the popular Deca-Durabolin. Durobolic must be injected frequently and in regular intervals. The substance nandrolone-phenylpropionate quickly gets into the blood, where it remains active for two to three days. Athletes who hope for optimal results inject Durobolic every third day, or even every two days. The dosage is around 50-100 mg per injection, or a total of 150-300 mg/week.