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Drostanolone Propionate (Masteron P)

The short ester gives fast dose control, but demands more frequent injections than the enanthate form of the same compound.

A fast ester, like testosterone propionate: a 2-3 day half-life, usually dosed every other day.

Buildup in the body

66122179235

Steady-state (% of plateau)

100%

Days to 90% plateau

8

A reference calculation based on an exponential decay formula — not a lab measurement and not medical advice.

FAQ

How is Masteron propionate different from the enanthate version?

Propionate clears noticeably faster, so it's injected more often — typically every other day rather than weekly.

How quickly does Masteron propionate clear the body?

Faster than most esters on this list — given the short half-life, full clearance takes roughly a week and a half to two weeks.