Reference · GLP-1 / incretin

Tirzepatide

Dual GLP-1 / GIP receptor agonist. Larger weight-change effect than GLP-1-only agonists in head-to-head trials.

Not medical advice. The ranges below record what people log, not what anyone should take. FDA-approved compounds have separate prescribed dosing on-label.
Molecular weight
4,813.5 Da
Half-life
~5 days
Cadence people log
weekly SC
Range people log
2.5–15 mg / wk
Class
GLP-1 / incretin
Regulatory status
FDA-approved

FDA-approved as Mounjaro (T2D), Zepbound (weight management).

Reconstituting Tirzepatide

The calculator takes vial mass, BAC water volume and your target dose, and returns the exact draw on a U-40, U-50 or U-100 insulin syringe. It does the arithmetic; it does not suggest what the dose should be.

Open the reconstitution calculator →

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SemaglutideRetatrutide
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pepme.health · 2026 · US, 18+not medical advice · descriptive, not prescriptive