Peptides AI: Dosage Calculator

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About this app

#1 Peptide Dosage Calculator for accurate dosing, fully approved by longevity enthusiasts. Peptides AI is the most precise peptide calculator and AI GLP-1 weight tracker, built to help you get better results with less risk.

Used by thousands of researchers and longevity-focused users, with 100,000+ real-world protocols tracked, Peptides AI turns complex peptide use into clear, data-driven decisions.

Compatible with the most popular GLP-1 compounds like semaglutide, tirzepatide, liraglutide, dulaglutide, retatrutide, VK2735 and 100+ more peptides.

AI Body Scan & Progress Tracking

Monitor how peptides impact your physique and weight in the real world. Upload photos, track weight, body composition & follow changes in performance over time. See how your GLP-1 protocol translates into real, measurable results.

GLP-1 & Other Peptide Dosage Calculator

Get your dose exactly right every time. Use a precise peptide calculator and peptide reconstitution calculator to convert vial size, BAC water & dose into exact units. Built for accurate GLP-1 dosages, injections & cycle planning.

Build & Optimize Peptide Protocols

Create and manage your peptide stack with clarity. Combine compounds, find the best synergies, detect overlaps & identify risks. Based on your goals, optimize for: GLP-1 for weight loss, peptides for muscle growth, peptides for skin & peptides for bodybuilding.

Log Doses, Cycles & Side Effects

Peptide Calculator helps you log peptide injections, timing & cycle progress in one place. Track peptide side effects, injection sites & weight changes. Stay consistent, in control and understand how your protocol actually affects your body.

Track Peptide to Fitness Impact

Connect Health Connect to see your peptide therapy next to real performance. With your permission, Peptides AI reads your steps, distance, active calories, heart rate, resting heart rate and sleep (read-only) and shows them on your in-app wellness dashboard alongside your peptide cycle. See how injectable GLP-1 peptides impact activity, recovery, strength and energy over time. Health Connect data is read-only and is never written, sold, or used for ads. You can revoke access anytime.

Optimize With Lab Result Analysis

Upload your lab results into Peptides AI and instantly get AI-powered insights on your biomarkers. Detect hormone imbalances, inflammation signs & deficiencies. Make smarter decisions based on real biological data.

Get AI Insights & Research Engine

Discover AI that actually understands your protocol. Chat with AI trained on real peptide data and peer-reviewed research. Built on one of the largest real-world datasets, it tracks 100+ verified peptides, 10,000+ clinical trials & 100,000+ protocols.

Whether you're exploring:

Injectable peptides
Peptide therapy
Peptide supplements
Advanced peptide stacks

Peptides AI Calculator helps you:

Structure your protocol & improve performance
Reduce peptide side effects & risks
Optimize GLP-1 dosages for efficient peptide injections
Find the best peptide for muscle growth, weight loss, skin or bodybuilding

Get the AI Peptide Dosage Calculator & GLP-1 Weight Tracker for semaglutide, tirzepatide, liraglutide, retatrutide, BPC-157, TB-500 & 100+ other peptides.

Peptides AI is an independent tool and is not affiliated with, endorsed by, or sponsored by Novo Nordisk, Eli Lilly, or any other manufacturer. All product and brand names (including Ozempic, Wegovy, Mounjaro and Zepbound) are trademarks of their respective owners and are referenced for compatibility and educational purposes only.

Medical Disclaimer: The information provided by Peptides AI is for educational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. Always consult with a qualified healthcare professional before initiating any peptide therapy protocol.
Updated on
Jun 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, Financial info and 4 others
This app may collect these data types
Personal info, Financial info and 5 others
Data is encrypted in transit
You can request that data be deleted

What’s new

Your Supplements tab is now fully editable. Add, edit, or remove supplements, or start from a preset, with a fast search-and-pick flow.

Also in this release:
• Apple Health weight now syncs automatically when you open the app
• Smarter AI scans for body and lab photos
• Dates, cycles, and reminders now follow your local time
• Many stability and reliability fixes

Thank you for using Peptides AI. Your feedback keeps making the app better.