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Peptide Spencer

Peptide reconstitution calculator

Enter the numbers on the vial label and the dose in your plan. The calculator shows where to draw to on the syringe.

Powder vial

Vial is labeled in
mg
mL
mcg

Result

0102030405060708090100

Draw to

–

Concentration
–
Doses per vial
–

Math on the numbers above. Not medical advice; confirm concentration against the dispensed vial label.

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Every dose, sourced.

Starting doses, titration, and ceilings for 32 compounds. Every figure is tied to its source and labeled by evidence. Built for prescribers.

no figure without a source

How every dose is sourced

Source layer

Every figure wears the layer it came from.

  • Approved label

    Taken from an FDA-approved label.

  • Human study

    Taken from a published human study.

  • Clinical practice

    Reported in a peer-reviewed review, guideline, or textbook of clinical practice.

  • Clinic-reported

    Published by a clinic, pharmacy, or professional-education site. Shown only in the published-ranges section.

  • Community-reported

    Published by a vendor or community guide. Shown only in the published-ranges section.

Evidence tier

Every guide carries one seal for the strongest evidence behind it.

  • FDA-approved product

    An approved label exists for this molecule. Compounded versions are not FDA-approved.

  • Controlled human trials

    Randomized or controlled human studies exist.

  • Limited human data

    Open-label, pilot, pharmacokinetic, or case-level human data only.

  • Preclinical only

    Animal or cell data only. No established human dose.

How the guides are checked

Ask Spencer

Dosing questions answered from the reviewed guides, with sources. It's my automated assistant. For anything about your clinic, book a call.

Ask Spencer
Spencer Johnson

I work with clinics on their peptide and hormone programs.

Spencer Johnson