Tools

Free Panya calculators.

Practical math for the things people actually do with peptides and GLP-1s. No login, no paywall, no email capture. The deterministic answers stay accurate as long as the inputs do.

Not medical advice. These are calculators, not protocols. The decision about what dose is right for you is between you and a clinician.

Peptide reconstitution calculator
Research peptides + HGH IU

Vial size + bacteriostatic water + dose → concentration, syringe units, doses per vial, cost per dose.

Covers: BPC-157, TB-500, GHK-Cu, MOTS-c, sermorelin, ipamorelin, CJC-1295, AOD-9604, HGH (somatropin)

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Pen duration calculator
Prescription GLP-1 users

Pen size + per-injection dose + frequency + start date → weeks of supply, refill-by date, cost per month.

Covers: Mounjaro KwikPen (all strengths), Zepbound autoinjector, Wegovy single-use, Ozempic multi-dose

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Tirzepatide ramp planner
Anyone starting tirzepatide

12-week titration schedule and monthly cost projection across regions.

Covers: Mounjaro, Zepbound, compounded tirzepatide

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Cost-per-month by region
Anyone deciding between routes

Pick a compound; see cheapest legitimate route per region with risk and supply context. 17 regions for tirzepatide, 13 for semaglutide.

Covers: Mounjaro, Zepbound, Wegovy, Ozempic, Rybelsus, compounded

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GLP-1 cost estimator
Anyone wondering if they're overpaying

Pick your region and compound. See where you land in the global price ranking and how much you'd save sourcing from elsewhere. Shareable URL with social preview.

Covers: Tirzepatide (Mounjaro, Zepbound), Semaglutide (Wegovy, Ozempic, Rybelsus)

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Peptide stack interaction checker
Multi-peptide stack users

Curated reference pages for the most common stacks. BPC-157 + TB-500, ipamorelin + CJC-1295, BPC-157 + KPV, semax + selank, CagriSema, more. Mechanism rationale, standard protocol, honest evidence read, shared risks.

Covers: BPC-157, TB-500, ipamorelin, CJC-1295, KPV, semax, selank, DSIP, AOD-9604, cagrilintide, semaglutide, tirzepatide

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Tirzepatide taper planner
Anyone coming off tirzepatide

Step-down schedules from your current dose with weight-regain projections grounded in SURMOUNT-4. Aggressive 8-week, standard 12-week, slow 16-week, or microdose maintenance.

Covers: Mounjaro, Zepbound, compounded tirzepatide

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What's coming

In progress

    Tools ship when they're correct, not when the calendar says so.

    Want to log your stack?

    Open a public peptide journey

    Calculators do the math. Your journey documents the experience. Both are free. Vote-validated by the Panya community.