The average recommended dose of testosterone phenylpropionate as a sports dope is 100-300 mg once in 2-4 days (“phenyl” is a quick action, therefore, for the development of athleticism requires intensive injection). Its total weekly dosage can reach 200-600 mg.

The main difference between nandrolone decanoate powder and phenylpropionate is their half-lives. Nandrolone decanoate has a much longer half-life than phenylpropionate, meaning it stays in the system for much longer periods of time.