GLP-1 · Peptides · TRT

Your protocol, finally without the hassle.

Log your GLP-1, peptide and testosterone replacement therapy (TRT) doses in one place. See your trends, keep your streak, and never lose track of your protocol.

Your trusted Pepti-Friendly app

  • Your data is yours, encrypted and private
  • Works in your browser and installs on your phone
  • Not medical advice: you decide, we log it
Good morning,
you’re on a streak 🔥
PeptiBrain
Next dose
8:00 am
Semaglutida
0.25 mg · abdomen area
Streak
28 days
Weight
165.1 lb
This week
M
T
W
T
F
S
S
Logged
1.9 L today

Your whole protocol, in one place

What used to live in five apps and a notebook, with the same gesture.

Tu progreso

Esta semana

7 días
92%

Adherencia

23 de 25 dosis a tiempo

8% vs semana pasada

Racha

12 días

Peso

−3.2 kg

Dosis a tiempo por día

LMXJVSD
Semaglutida · caduca en 4 d

Log a dose in seconds

Note what you took, when, and where. The app keeps track for you.

Knows how much you have left

Each vial's exact concentration and stock that goes down with every dose.

Keep your streak

A calendar and streaks that celebrate your consistency, day after day.

All your wellness together

Weight, meals, hydration, exercise and side effects, all in one place.

Calculator and converter

Calculate reconstitution and convert mg, mcg and insulin units instantly.

Stats and finances

Charts of your progress, your adherence and how much you invest in peptides.

How it works

Get started in under a minute

1

Add your peptide

Set it up once with its route and dose unit. It’s the foundation for everything.

2

Log each vial and dose

The app works out your stock and builds your calendar automatically.

3

See your progress

Clear charts, streaks, and stats that keep you on track.

Start free. Upgrade when you need to.

Start for free; your plan is managed inside the app.

Free

To start the habit

$0 forever

  • Log doses for 1 peptide
  • 1 active vial
  • Streak and calendar
  • Basic weight tracking
Start for free
Most popular

Premium

Your full protocol

$9 /mo

$0.30/day

  • Unlimited peptides and vials
  • Calculator and unit converter
  • AI Assistant
  • Full health tracking (photos, labs, hydration, sleep, mood)
  • Automatic protocols
  • Export your protocol as PDF
Try 7 days free

Family

For your loved ones

$19 /mo

$0.63/day

  • Everything in Premium
  • Group of 3 accounts
  • Shared vials and routines
  • Everyone keeps their own privacy
Try 7 days free

Signing up starts a 7-day free trial of Premium. No card required.
Cancel anytime.

The people using it don’t stop

I went from a thousand scattered notes on my phone to having it all in PeptiBrain in under 10 seconds. A total shift for my productivity.
Photo of Viviana PintoViviana PintoTracking her protocol since May
Stop eyeballing how much is left in each vial. With PeptiBrain you know the exact remainder instantly and avoid unpleasant surprises.
Photo of Marco PoloMarco PoloPeptiBrain user
Keeping my streak has become my daily challenge. I’ve tried a thousand wellness apps, but PeptiBrain is the first one I haven’t dropped within a week.
Photo of Isa ToledoIsa Toledo90-day streak

What PeptiBrain is (and isn't)

What it is

  • Your GLP-1, peptide, and TRT dose, vial, and wellness log, all in one place.
  • Built so you never lose track of your own protocol, with reminders and a streak.
  • Compatible with Ozempic, Wegovy, Mounjaro, Zepbound, and any peptide or TRT.
  • Your data is yours: encrypted, exportable, and deletable whenever you want.

What it isn't

  • Not medical advice, and it doesn't replace your doctor.
  • It doesn't suggest doses or interpret your labs — it only logs what you decide.
  • It doesn't sell peptides or tell you where to buy them.
  • It doesn't share your data with anyone without your permission.

Frequently asked questions

Free · no signup

Try our calculators now

Tools the peptide community uses every day. Use them free, no account needed.

Library

Popular peptides

See all

Swipe to see more

Weight loss

Semaglutida

Agonista del receptor GLP-1, conocido comercialmente como Ozempic o Wegovy. Reduce el apetito, retrasa el vaciamiento gástrico y mejora la sensibilidad a la insulina.

Follow
Weight loss

Tirzepatida

Agonista dual GIP/GLP-1, conocido comercialmente como Mounjaro o Zepbound. Apoya el control de peso y mejora la sensibilidad a la insulina.

Follow
Weight loss

Retatrutida

Agonista triple GIP/GLP-1/glucagón, en investigación para control de peso.

Follow
Recovery

BPC-157

Pentadecapéptido derivado de una proteína gástrica. Conocido por sus propiedades de reparación tisular y salud digestiva.

Follow
Recovery

TB-500

Fragmento sintético de la timosina beta-4. Promueve la cicatrización, regeneración celular y movilidad.

Follow
Skin & beauty

GHK-Cu

Complejo péptido-cobre presente naturalmente en el cuerpo. Muy usado en cosmética por su efecto en colágeno y cicatrización; también tópico.

Follow
Muscle & GH

Ipamorelina

Secretagogo selectivo de hormona de crecimiento, con un perfil de efectos secundarios más suave que otros análogos.

Follow
Muscle & GH

CJC-1295

Análogo de acción prolongada de la hormona liberadora de GH. Suele combinarse con Ipamorelina.

Follow
Longevity

Epitalon

Péptido sintético derivado de la glándula pineal. Estudiado por su posible relación con la regulación del reloj biológico y la telomerasa.

Follow
Muscle & GH

MK-677 (Ibutamoren)

Secretagogo no peptídico de GH activo por vía oral. Imita la acción de la grelina sobre los receptores de GH.

Follow

Start free. Upgrade when you need to.

Start for free; your plan is managed inside the app.

Free

To start the habit

$0 forever

  • Log doses for 1 peptide
  • 1 active vial
  • Streak and calendar
  • Basic weight tracking
Start for free
Most popular

Premium

Your full protocol

$9 /mo

$0.30/day

  • Unlimited peptides and vials
  • Calculator and unit converter
  • AI Assistant
  • Full health tracking (photos, labs, hydration, sleep, mood)
  • Automatic protocols
  • Export your protocol as PDF
Try 7 days free

Family

For your loved ones

$19 /mo

$0.63/day

  • Everything in Premium
  • Group of 3 accounts
  • Shared vials and routines
  • Everyone keeps their own privacy
Try 7 days free

Signing up starts a 7-day free trial of Premium. No card required.
Cancel anytime.

Every entry counts. Every day adds up.

Start tracking today. Free, in your browser or on your phone.

Start for free

PeptiBrain is a personal tracking diary. It is not medical advice and does not replace a healthcare professional, and it does not recommend doses: it records what you decide. Testosterone replacement therapy (TRT) is a prescription hormonal treatment that requires diagnosis and ongoing medical follow-up; never start or adjust it on your own. Always consult a professional before making decisions about your health.