Steroid Plotter

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

Steroid plotter

See cycle peaks and troughs from half-life. Type a compound, set dose and frequency. Educational estimate, not a blood test.

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.
t½ 4.5dTmax 2d72% parent
t½ 1.5dTmax 1d67% parent
Peaks, troughs, and half-life
Estimated remaining active mg. Washout continues after the last dose. Mixed IU and mg protocols are not summed.

Testosterone enanthate

Peak

432 mg

Trough

343 mg

Swing

21%

~Steady state

22.5d

~Washout

24.5d

Nandrolone phenylpropionate

Peak

111 mg

Trough

70.0 mg

Swing

37%

~Steady state

7.5d

~Washout

8.5d

Stacked total

Peak

543 mg

Trough

477 mg

Swing

12%

Saved locally
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Cycle templates

All cycles

Optional starting points. Educational sketches, not recommendations.

Wiki first cycle — Test E 500250 mg testosterone enanthate every 3.5 days (500 mg/week) for 16 weeks. Testosterone only.Wiki basic cut + AnavarTest E 150 mg E3.5D for 12 weeks, Anavar 50 mg daily the last 6 weeks.Test E 500 + NPPTest E 250 mg E3.5D with NPP 100 mg EOD.Semaglutide 0.25 → 0.5Four weeks at 0.25 mg weekly, then four weeks at 0.5 mg.