Metandienone half-life calculator

The half-life of Metandienone is 3–6 hours. Enter your dose and schedule to see how your estimated level builds up, where it settles and how far it dips before each dose.

Metandienone at a glance
Half-life3–6 hours
Mostly settled (90%)about 15 hours
Fully settled (97%)about 23 hours
Down to 10% after the last doseabout 15 hours

An estimate from the half-life alone. A blood test shows your actual level.

Metandienone in the compound library: what it is, its status, the research and known risks.

For planning only. Your prescriber sets your dose.

Questions about Metandienone

What is the half-life of Metandienone?

About 3–6 hours. After one half-life, half of a dose is still active; after two, a quarter.

How long until Metandienone levels settle?

With regular doses, levels are about 90% settled after 3.3 half-lives (about 15 hours) and close to fully settled after 5 (about 23 hours). Changing the dose or schedule starts that settling again.

How long does Metandienone stay active after the last dose?

It falls to about 10% after 3.3 half-lives (15 hours) and about 3% after 5 (23 hours).

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See this for your own doses

Enhanced Training Studio draws this chart from the doses you actually log, with your blood tests on the same timeline. The protocol tracker is free, needs no account and keeps everything on your phone.

See the TRT tracker Weekly vs twice weekly

Other compounds

More calculators: injection volume · reconstitution · any half-life. Terms explained in the glossary.

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