★★★★★4.9#1 Peptide App · Trusted by 100,000+ users

One app for your entire protocol

Open Pep AI and know exactly where you stand — what dose is due next, how much is still in your system, and everything you've already logged today. Set each compound's dose, schedule, and on/off cycle once, then just log as you go.

Free to start · No credit card required · Your health data stays yours

Pep AI home screen showing next dose, medication level and today’s dosesPep AI track screen showing compounds, the weekly schedule and active cyclesPep AI lifestyle screen showing nutrition, weight tracking, steps and sleep

Loved by 100,000+ users

Absolute game changer — makes tracking usage effortless.The all in one I have been looking for.10/10 perfect app, can't get better than this.Love seeing how many days I have left in my vials.Helped me stay on top of taking my peptides.The PK Estimator is the best feature beyond the logging.Everything you need — food and health tracking included.Track all my peptides and look back at everything I've taken.Easy to use and makes things effortless.Exactly what I needed to track my dosage and re-orders.
Absolute game changer — makes tracking usage effortless.The all in one I have been looking for.10/10 perfect app, can't get better than this.Love seeing how many days I have left in my vials.Helped me stay on top of taking my peptides.The PK Estimator is the best feature beyond the logging.Everything you need — food and health tracking included.Track all my peptides and look back at everything I've taken.Easy to use and makes things effortless.Exactly what I needed to track my dosage and re-orders.
Absolute game changer — makes tracking usage effortless.The all in one I have been looking for.10/10 perfect app, can't get better than this.Love seeing how many days I have left in my vials.Helped me stay on top of taking my peptides.The PK Estimator is the best feature beyond the logging.Everything you need — food and health tracking included.Track all my peptides and look back at everything I've taken.Easy to use and makes things effortless.Exactly what I needed to track my dosage and re-orders.
Absolute game changer — makes tracking usage effortless.The all in one I have been looking for.10/10 perfect app, can't get better than this.Love seeing how many days I have left in my vials.Helped me stay on top of taking my peptides.The PK Estimator is the best feature beyond the logging.Everything you need — food and health tracking included.Track all my peptides and look back at everything I've taken.Easy to use and makes things effortless.Exactly what I needed to track my dosage and re-orders.

Stay on schedule

Every compound, every cycle, on schedule

Set each compound's dose, schedule, and on/off cycle once, then just log as you go. Pep AI handles the rest.

  • Log in seconds — open the app, check in, and get back to your day.
  • Inventory counts down — each use is deducted automatically and reorder reminders arrive early.
  • Cycles stay clear — see on/off phases and history at a glance.
Pep AI track screen showing compounds, the weekly schedule and active cycles

The whole picture

The whole picture, not just the dose

Peptides are only half of it. Track food, weight, water, sleep and training next to your doses, so you can finally see what's actually working.

  • Food & nutrition — pair your nutrition log with your doses on one timeline.
  • Weight & water — daily weight and hydration automatically become trends.
  • Sleep & training — overlay sleep and training to find what moves the needle.
Pep AI lifestyle screen showing nutrition, weight tracking, steps and sleep

One timeline

Your protocol is the plan. This is what moves the needle.

Food, water, weight, steps and workouts — tracked in the same app as your compounds, so your habits and your results finally live in one place.

Meal ScanDescribe itQuick Add

What did you eat?

2 eggs and toast

310 Cal · P 22g · C 26g · F 13g

Log a meal in seconds

Snap it, describe it, or tap a saved favorite. Macros come back filled in.

Calories1600 / 2940 kcal
Protein90 / 151 g
Carbs180 / 250 g
Fat42 / 65 g

Every macro, dialed in

Calories, protein, carbs, fat and fiber against goals that adjust to you.

Search foods GLP-1

Grilled chicken breast

4 oz · 187 Cal

GLP-1 ✓

Greek yogurt, plain

1 cup · 146 Cal

GLP-1 ✓

Lentil soup

1 bowl · 180 Cal

GLP-1 ✓

GLP-1 friendly foods

A curated shortlist of foods that sit well on a GLP-1, flagged as you search.

Weight Tracking30 · 90 · 1yr
150 lbsGoal 145–175 lbs

Weight, trending your way

Log a weigh-in and watch the trend line against your goal range.

Water
72oz /100oz+
Steps 8,412 / 7,000
Goal reached

Water and steps, handled

Quick-add hydration, and steps sync straight from Apple Health or Health Connect.

14 day streak

Level 6 · Badges 8/24 unlocked

+19

Streaks worth keeping

Every logged day builds a streak, levels you up and unlocks badges.

Back · workedChest · recoveredLegs · ready
2 days since last · 6 areas ready Start Workout

Workout tracker with a recovery map

Log sets and see which muscles are cooked and which are ready to train again.

Built for results

The #1 Peptide & GLP-1 App

Your complex protocol, made simple. Trusted by top creators. See how fitness influencers use Pep AI to stay consistent, track smarter, and perform at their best.

@anna_rhymer_coaching
@anna_rhymer_coaching

POV: You finally stop guessing with peptides and start organizing your protocols like a professional.

@koltonsmittyalt
@koltonsmittyalt

Okay... this app is actually SO cool and I'm obsessed.

@archiestackz
@archiestackz

Don't research another peptide without a system first.

@kelsey.gallie
@kelsey.gallie

Download #PEPAI & use code Kelsey.

@patty_streff
@patty_streff

Between motherhood, business, workouts and wellness... staying organized is EVERYTHING.

Pep Bot

An assistant that knows the science and your own data.

Pep Bot lives inside the app, reads your tracker, and does real work in the conversation — research with citations, calculations, and logging you approve before it saves.

Research

Explore the science, with sources

Insights

Analyze your recent data

Reconstitution

Mix a vial and do the math

Log a dose

Record a dose you took

Scan a meal

Estimate it by photo

Help & navigation

Find anything, get taken there

Pep Bot

Online · reads your tracker

Hi there 👋

What would you like to do today?

Research
Insights
Reconstitution
Log a dose
Add a compoundBuild a protocolLog foodHydration, weight & sleepSide effectsEstimated levelsScan a vial labelRead replies aloud
Ask Pep AI...

Pep Bot is built for education and tracking, not prescribing. It will not tell you how much to take — no doses, no titrations, no schedules — and it will not save anything to your tracker without your confirmation.

FAQ

Frequently asked questions.

Everything you need to know about tracking peptides and GLP-1s with Pep AI.

Pep AI is a tracking tool for peptide and GLP-1 protocols: manage doses, inventory and cycles, and review nutrition, weight, sleep and training in one place.

Get started

Start tracking smarter today.

Start free today and log your first dose in seconds.

Free to start · No credit card required · Your health data stays yours

Pep AI