PepRep
Calculate · Track · Repeat

From vial to draw.
Every unit accounted for.

Enter your vial, water, dose, and syringe. PepRep shows the exact U-100 draw in units and mL, explains every step, and keeps an auditable record on your device.

Open the free web app→See how it works ↓
Free to useNo account requiredLocal-firstNo dose recommendations

Browser access is available now. Native iPhone and Android releases are being prepared for store review.

9:41●●●● 5G
Reconstitution
Recon
Peptide in vial
5
mg
Bac. water
2
mL
Desired dose
250
mcg
Exact Draw
10units
U-100 · 0.10 mL
10 u0102030405060708090100
Live in app
01 · The math

The math,
made visible.

PepRep keeps mg, mcg, mL and syringe units visibly separate, so the result can be checked instead of guessed.

Calculation trace
  1. 01 · Vial
    5 mg
  2. 02 · Water
    2 mL
  3. 03 · Dose
    250 mcg
  4. 04 · Draw
    10 u / 0.10 mL
    Result
02 · The loop

One clean loop.

  1. 01

    Calculate

    Enter vial, water, dose, and syringe capacity.

    Vial5 mg
    Water2 mL
    Dose250 mcg
    Draw
    10 u · 0.10 mL
  2. 02

    Save the vial

    Keep concentration, remaining quantity, and preparation details together.

    Retatrutide
    5 mg · 2 mL
    1.40 mL left70%
  3. 03

    Schedule

    Create a routine from the user's own plan.

    Mon08:00
    Wed08:00
    Fri08:00
    Sun08:00
  4. 04

    Log

    Record completed, skipped, missed, or edited events.

    Completed
    Skipped
    Missed
    Edited
    7-day rolling
  5. 05

    Review

    See history, injection-site rotation, vial status, and progress.

    Last 28 days9 logged
    ↻ back to 01
03 · Focus

Not another wellness dashboard.

PepRep stays focused on the work: calculate clearly, keep vial records, follow the schedule you created, and maintain an honest history.

Athlete mid pull-up in a training rig, back and shoulders engaged.
Field notes · 07
The work is repetition. The tool is precision.
Ref · PR-0724Carbon / Volt
9:41●●●● 5G
PepRep
Today · Thu
Exact Draw
14units
U-100 · 0.14 mL
14 u0102030405060708090100
Today2 / 4
  • 07:30
    Retatrutide
    250 mcg · 10 u
    Logged
  • 12:00
    B-12
    1000 mcg · 20 u
    Next
  • 20:00
    GHK-Cu
    2 mg · 20 u
    Queued
Calc
Vials
Today
Log
Live in app
04 · Clarity

Precision starts with visible units.

  1. 01
    mg and mcg stay explicit
    Unit selection is always visible.
  2. 02
    Units and mL appear together
    The syringe draw is never shown without its volume.
  3. 03
    Capacity is checked
    PepRep warns when a calculated draw exceeds the selected syringe.
  4. 04
    The formula can be inspected
    Users can see how the result was calculated.
Important

PepRep is a measurement and record-keeping tool. It does not provide medical advice, prescribe peptides, or recommend doses. Users should confirm their inputs and follow guidance from an appropriately qualified healthcare professional.

05 · Questions

Answers,
not marketing.

  • No. PepRep calculates only from values entered by the user.

Know what to draw.
Know what you logged.

Clear calculations and a complete record. Free to use, local-first, and no account required for the core experience.

Open the free web app →Calculate and track. Never prescribe.
Figure in low light, arms raised in a controlled stretch.
Discipline · Measurement · Record