Tirzepatide Titration Planner

Pre-loaded with the standard tirzepatide escalation and its published half-life. Every dose, duration and vial field stays editable.

Compound
Vial setup
mg
mL
Concentration —
Titration schedule
Weeks Dose Frequency Volume / dose Units Total mg
Total weeks —
Total injections —
Total mg needed —
Vials needed —
Drug level over time

Drug level is an estimate of how much drug is in your body across the schedule, in relative units, not an absolute blood concentration. Use it to see how levels build to a steady state, how long that takes, and how a dose change or a gap shifts them. Compare points on the curve to each other, not to a target number.

About this compound

Planning a tirzepatide titration

Why tirzepatide is titrated at all

Escalation exists for tolerability, not efficacy. The gastrointestinal effects that drive most discontinuation are worst when a dose first changes, so the trial protocols step up slowly and hold each step for four weeks before moving. The FDA labeling starts at 2.5 mg weekly, which is explicitly a starting dose rather than a therapeutic one.

What the chart is showing

Tirzepatide has a half-life of roughly five days, so a weekly dose does not clear before the next one arrives. Levels build for about four to five weeks after any change before settling. That is the single most useful thing this chart shows: week one of a new step does not represent that step. Judging tolerability or effect from the first week after an increase reads the curve too early.

What the model does not know

The curve is a one-compartment model built from a published half-life. It shows shape and timing, not your blood levels. It does not model individual variation in absorption, and it assumes every dose is delivered as entered. The trial evidence behind the schedule also came from pharmaceutical product, not from compounded or research-grade material.

Scope & safety

PepRecon is a research and education resource. This page is for informational and laboratory-research purposes only. It is not medical advice, is not a recommendation to use any compound, and is not a protocol to follow. Titration schedules shown here are the ones used in published trials or commonly described in community practice; they are a starting point for modeling, not a prescription. Several compounds discussed here are not FDA-approved and their regulatory status can change. Consult a licensed healthcare provider before making any decision. Calculations run entirely in your browser and are not transmitted or stored unless you generate a share link.

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