Free peptide tracker & calculator
Every dose on time, and the math done right.
Reminders, a step-by-step reconstitution calculator, vial inventory and plain-English guides. Free, private, and built for people on a prescribed protocol.
Try it: dose to syringe units
What the tracker does
Everything a protocol needs, in one place
Free dose reminders
Daily, weekly or every X days. Get a heads-up before each dose, plus missed-dose and low-vial alerts.
Math you can check
Turns your prescribed dose into mL and syringe units, and shows every step so you can verify it.
Site rotation
A body map remembers where you injected last and suggests the next spot.
Vial inventory
Tracks how much is left, doses remaining and the discard date on your label.
Progress tracking
Weight, waist, protein, water and side effects in one chart.
Plain-English library
46 peptides with FDA status labels, plus 80+ guides written for real people.
How it works
Set up in two minutes
Add your protocol
Pick the peptide and enter the dose, vial size and water amount from your prescription.
Get reminders
Choose the schedule and reminder time. Add it to Google Calendar for a free backup alert.
Log and track
Tap "Log" after each dose. PepSteady rotates sites, counts what's left in the vial and charts your progress.
Peptide library
Know the FDA status before you start
Every entry is labeled FDA-approved, investigational or not FDA-approved, with what the research actually shows.
Semaglutide
FDA-approved (Rx)Weekly GLP-1 agonist. Brand names Ozempic, Wegovy, Rybelsus (oral).
Tirzepatide
FDA-approved (Rx)Weekly GIP/GLP-1 agonist. Brand names Mounjaro, Zepbound.
Retatrutide
InvestigationalTriple-agonist in clinical trials. Not approved.
Tesamorelin
FDA-approved (Rx)GHRH analog. Brand name Egrifta.
BPC-157
Not FDA-approvedStudied mainly in animals. Not FDA-approved for human use.
GHK-Cu
Not FDA-approvedCopper peptide. Common in cosmetics; injectable use not FDA-approved.
CJC-1295
Not FDA-approvedGHRH analog. Not FDA-approved.
NAD+
Not FDA-approvedCoenzyme, not a peptide. Often sold alongside peptides.
From the blog
Guides worth reading first
Reconstitution Math: 10 Worked Examples
Ten step-by-step peptide reconstitution math examples: concentration, mL to draw and U-100 syringe units, with a U-40 warning and a reverse check.
GLP-1 MedicationsSemaglutide vs. Tirzepatide: Side-by-Side Comparison
Semaglutide vs tirzepatide side by side: how they work, FDA-approved brands and uses, head-to-head trial results, side effects and questions to ask.
Reconstitution & InjectionHow to Read a U-100 Insulin Syringe
Learn how to read a U-100 insulin syringe: what the unit lines mean, how 100 units equals 1 mL, and how 0.3, 0.5 and 1 mL barrels are marked differently.
Nutrition & LifestyleHow Much Protein Do You Need on a GLP-1?
How much protein do you need on a GLP-1? Learn the ranges experts suggest during weight loss, how to do the math for your body, and easy ways to reach it.
Recovery & Immune PeptidesBPC-157: What the Research Actually Says
BPC-157 research explained: mostly animal studies, very little human data, no FDA approval, and where its 2026 compounding status stands in plain English.
Legal & FDAAre Peptides Legal in the US?
Are peptides legal in the US? A plain-English look at FDA-approved peptides, compounding rules, the 2026 FDA peptide review and 'research use only' products.
60-second quiz
Find a licensed telehealth provider
Answer four questions about your goal, state, budget and language to see matching licensed providers.
Start the quizFAQ
Questions people ask
Is PepSteady free?
Yes. The tracker, reminders, calculator, tools and library are free. An optional Pro plan with Apple Watch and extra features is coming with the iPhone app.
Are you doctors?
No. We are not doctors, pharmacists or a medical provider. PepSteady is informational only and never recommends doses.
Do you sell peptides?
No. We don't sell peptides or any medication. We link to licensed telehealth providers and pharmacies.
Where is my tracker data stored?
In the web version, your data stays in your own browser on your device. Accounts with sync arrive with the iPhone app.
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