Accurate Reconstitution Math
Enter vial amount, BAC water volume, and target dose to get concentration and exact syringe units instantly.
Pep Pal Beta
The Peptide Calculator That Remembers
Calculate, save, and revisit your reconstitution doses. Stop redoing the same math every time you prep a vial.
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You Shouldn't Need a Notebook Next to Your Syringe
Every time you reconstitute a peptide, you are entering the same inputs again: vial amount, water volume, dose, units. Mostfree calculatorsgive you one number and forget. Pep Pal saves it.
Everything You Need in One Calculator
Save and Name Calculations
Save each reconstitution with a custom name and notes so you can revisit it without re-entering values.
Reverse Calculator
Already know your target units? Pep Pal calculates the water volume needed for that exact pull.
All Syringe Sizes
Support for 0.3 mL, 0.5 mL, and 1.0 mL U-100 insulin syringes with accurate unit scaling.
Preset Examples
Load common configurations for Retatrutide, Tesamorelin, and BPC-157 in one tap.
Coming soon
Dose Tracking and History
Log doses, track protocols over time, and keep complete history in one timeline.
Prefer to test the math first? Run the free peptide calculator and upgrade only if you want saved history.
How Pep Pal Works
Step 1
Calculate
Enter vial amount, water volume, and target dose to get concentration and syringe units instantly.
Step 2
Save
Name your calculation, add notes like 'week 3 titration,' and store it in your account.
Step 3
Revisit
Open Pep Pal anytime to see past calculations with no re-entry and no guesswork.
Your saved calculations are available on every device — phone, tablet, or desktop.
Free Calculator. Premium Features.
| Feature | Free | Pep Pal |
|---|---|---|
| Reconstitution calculator | Yes | Yes |
| All syringe sizes | Yes | Yes |
| Preset examples | Yes | Yes |
| Reverse calculator | Yes | Yes |
| Save calculations | - | Yes |
| Custom names and notes | - | Yes |
| Access from any device | - | Yes |
| Dose tracking and history | - | Coming soon |
| Protocol scheduling | - | Coming soon |
The free calculator is always free.
Find COA Verified Suppliers
Browse vetted suppliers with purity data and testing notes. Use code PEPPAL at checkout.
New to setup prep? Start with the peptide injection supplies checklist.
What's Next for Pep Pal
Saved calculations are the start. We are building the full tracking layer next. Follow rollout updates on the Pep Pal blog.
- Dose tracking with date, time, and injection site logs
- Protocol scheduling for multi-week titration plans
- Cycle management with active phase timelines
- Progress notes for observations and side effects
Join the waitlist for early access
Your Peptide Math, Saved
Stop treating every reconstitution like the first time. Pep Pal remembers so you do not have to.