Steroid Plotter

These curves are simplified half-life estimates, not bloodwork. They do not tell you what to take. Read the disclaimer.

Mast E (Drostanolone enanthate) plotter

Masteron enanthate. Longer ester of the same parent as Mast P.

4.5dTmax 2d70% parentInjectablemg

Also called Drostanolone enanthate, Masteron, Masteron E, Mast.

Compare with Mast P, Primo.

Ester fraction ~0.70; enanthate half-life ~4.5 d from the community PK set.

Your cycle
Dose, ester, and frequency. The chart is remaining active amount, not serum concentration. To step a dose up, add another row of the same compound with a later start day.
4.5dTmax 2d70% parent
Peaks, troughs, and half-life
Estimated remaining active mg. Washout continues after the last dose. Mixed IU and mg protocols are not summed.

Drostanolone enanthate

Peak

336 mg

Trough

267 mg

Swing

21%

~Steady state

22.5d

~Washout

24.5d

Start from a protocol
Fills the form with a common stack. Edit the numbers after. Educational sketch, not a recommendation.
Saved locally
Stored in localStorage on this device. Reload a saved protocol from this list.

No saved protocols in this browser yet.

Cycles that include this

intermediatecutexample
Cut — Test 200 + Mast E 400
Lower test with Masteron enanthate for 12 weeks.

Source: Tool-authored example

Tool-authored example. Lower test plus Masteron. Not the backbone year-round 250/200 test/mast comment.

Not a first cycle.

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