Built in the UK · Used worldwide

Track peptides properly.

Ditch the spreadsheets. Peptly handles the doses, supply, side effects, and goals — so you can focus on the protocol.

Free forever for one protocol. No card needed.

What you get

Built for the way peptides actually get used.

01 / Schedule

Visual protocol
schedule.

Active
AM

BPC-157

250 mcg · Sub-Q

PM

Tesamorelin

2 mg · Fasted

Daily, EOD, MWF, on-demand — all handled per peptide.

02 / Stockpile

Vial supply maths.

CJC-1295 · Vial #414% left

~3 days of doses left at your current schedule. Reorder window opens now.

Multi-protocol

Run stacks side-by-side. Each gets its own goals, doses, and alerts.

BT+3

Side-effect log

57 controlled symptoms, severity-tracked, linked to the protocol.

78%

Goal check-ins.

Three honest reflections per protocol — midpoint, end, and 30 days later — so you actually know if it worked.

03 / Library

102 peptides catalogued.

BPC-157TesamorelinGHK-CuMOTS-cPT-141SemaglutideSelankEpitalon
Browse the library

04 / Bloodwork

Lab results, on a timeline.

Total Testosterone
High · 32.1 nmol/L
SHBG
In range · 28 nmol/L

Pre-built panels for TRT, HRT, GH axis, metabolic. Compares baseline vs follow-up against your cycle.

Free · no signup

Reconstitution calculator.

BAC water volume, mcg per unit, units per dose. Same maths engine as the in-app vial flow — open to anyone.

Open the calculator

What sets us apart

We track what didn't work, too.

Most platforms only show wins. Peptly's whole point is showing all of it — side effects, cycles people stopped early, goals that didn't land. The bad data is the honest data.

of completed protocols logged a 'didn't work' or 'changed my mind' result

side effects logged per 100 doses

of users stopped protocols early

Built for

Personal users, coaches, and clinicians.

Personal users

Adults running peptides for health, longevity, performance, recovery, or aesthetics. Track properly. See what works for you.

Start tracking

Strength coaches

Help your clients track without prescribing. They log, you see what they're doing. No medical claims, just structured visibility.

For coaches

Functional medicine clinicians

A patient logbook your patients will actually use. Read-only access with their consent. Beta launching soon.

Beta launching soon

Important to be clear

Peptly is not a pharmacy. Or medical advice.

Not a pharmacy

We don't sell, source, or recommend suppliers. Where you get peptides is your business and your responsibility.

Not medical advice

Speak to a qualified clinician before starting, changing, or stopping any compound. Peptly logs what you do — it doesn't tell you what to do.

Not a hype platform

We don't promise results. We help you track yours. The data that comes out is yours, including the parts that didn't go to plan.

Common questions

Got questions?

No. Peptly is a tracker. We don't sell peptides, source them, or link to suppliers. We never have, never will.

Stop guessing.
Start tracking.

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No card needed · Free forever for one protocol

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Long-form analysis, catalogue updates, and honest takes. Unsubscribe anytime.