Build your personal peptide library

Create and manage a private peptide database stored only on your device — no server, no account, no data ever leaves your browser.

Your peptide library is the foundation of everything in PEPEtide. Every peptide you track, dose, and schedule starts here. All data is stored exclusively in your browser’s IndexedDB — it never leaves your device, is never transmitted to a server, and requires no account to use. You can build your library from scratch or pull entries from the community database with a single click.

Add a peptide

1. Open the Add Peptide form

   From the main navigation, select Add Peptide. The form opens with only the name field required — every other field is optional and can be filled in later.

2. Enter the peptide name

   Type the peptide’s common name (for example, BPC-157 or TB-500). This name appears throughout the app — in your vial list, protocol builder, and calendar — so use whatever label you’ll recognize at a glance.

3. Set a dosage range

   Enter a minimum and maximum dose and choose the unit: mcg (micrograms) or mg (milligrams). The app uses this range to flag doses outside typical bounds when you build a protocol.

   You can use either unit. The app stores whichever unit you choose and uses it consistently for safety checks on that peptide.

4. Add safety and reference information

   The following fields are optional but strongly recommended:

   Field	What to enter
   Description	A short summary of the peptide’s mechanism or purpose
   Benefits	A list of commonly reported effects
   Contraindications	Conditions or medications that may interact negatively
   Warnings	Safety cautions specific to this peptide
   Storage instructions	How to store before and after reconstitution
   Shelf life	Separate values for unreconstituted and reconstituted forms

5. Save

   Tap Save Peptide. The entry is written to your local IndexedDB immediately and appears in your library.

Import from the community database

If another user has already submitted the peptide you need, you can import it directly instead of entering data manually.

1. Go to the Community tab

   Select Community in the navigation. Search for the peptide by name or browse the list sorted by popularity or date.

2. Review the entry

   Open the peptide card to read the Overview, Reviews, and Submissions tabs. All community data is user-contributed — verify it against trusted sources before relying on it.

3. Add to your library

   Click Add to My Peptides. The app copies the community entry — name, dosage range, benefits, warnings, and storage details — into your private library. From this point forward, your local copy is independent; changes to the community entry do not affect yours.

All community submissions are user-contributed and not medically verified. Always cross-reference dosage and safety information with qualified healthcare professionals before use.

Peptide interaction tracking

Each peptide entry includes two interaction fields:

• Can mix with — a list of other peptides in your library that are considered safe to combine
• Cannot mix with — a list of peptides that should not be stacked together

You select other peptides from your library to add to each list. When you build a protocol, the app checks these lists and surfaces a safety alert on the Dashboard if a conflict is detected. Populate them as you learn more about your stack.

Edit a peptide

Open the peptide entry from your library list and select Edit. All fields — name, dosage range, benefits, contraindications, warnings, interaction lists, storage, and shelf life — are fully editable. Changes save immediately to local storage.

Update the shelf life fields whenever you switch to a new batch or source. The vial expiration calculator uses the reconstituted shelf life value you enter here.

Delete a peptide

Open the entry and select Delete. You will be asked to confirm before the record is removed.

Deleting a peptide does not automatically delete associated vials, protocols, or dose logs. Archive or remove those records separately to keep your data consistent.

Privacy guarantee

Where is my library stored?

Your peptide library lives in IndexedDB, a browser-native database on your device. No data is ever sent to any server. PEPEtide has zero telemetry and zero analytics.

What happens if I clear my browser data?

Clearing site data will erase your library. Export/import functionality is on the roadmap. Until then, avoid clearing storage for the PEPEtide origin if you want to preserve your entries.

Can I use the app offline?

Yes. The personal library (and all other personal tracking features) works entirely offline via a service worker. Community features require an internet connection.