Your Complete Peptide Protocol Companion
Physician-built and citation-backed. Research 40+ peptides, build smart protocols, track your progress, and connect with physicians — all in one beautifully designed app.

Everything You Need for Smart Peptide Use
From research to tracking, PepStack Pro covers every step of your peptide journey.
Peptide Database
Browse 40+ peptides with detailed profiles, research summaries, and dosing information organized by goal.
Interaction Checker
Check for potential interactions between peptides and medications before adding them to your protocol.
Protocol Templates
Start with physician-designed protocol templates for common goals like fat loss, muscle building, and healing.
Injection Tracker
Log every dose with injection site rotation, timing reminders, and full protocol history at your fingertips.
Lab Tracker
Track bloodwork and lab results over time. Monitor key biomarkers to ensure your protocols are working safely.
Progress Journal
Document your journey with notes, photos, and subjective ratings. See trends and share progress with your provider.
Built by a Doctor Who Gets It
PepStack Pro was created by a practicing physician who specializes in longevity medicine. He built this app because he saw his own patients struggling to track complex peptide protocols — and knew the tools available weren't good enough.
Most peptide apps are built by developers. This one was built by a doctor who actually prescribes and manages peptide protocols every day. That means every feature — from the interaction checker to the protocol templates — reflects real clinical thinking.
Built by a practicing physician
Peptides with citation-backed profiles
Protocols reviewed by a practicing physician
How It Works
Pick Your Goals
Take our quick quiz or browse the database to find peptides that match your health and performance goals.
Get Recommendations
Receive personalized protocol suggestions based on your goals, experience level, and current stack.
Track Your Protocol
Log doses, track labs, journal your progress, and connect with a physician through MyFlowMD for guidance.
Simple, Transparent Pricing
Start with a 7-day free trial. Cancel anytime.
Monthly
Full access, billed monthly
- Full peptide database with dosing
- Interaction checker
- Protocol templates
- Injection tracker with reminders
- Lab result tracking
- Progress journal
- Stacking guides
7-day free trial included
Annual
Best value — save 17%
- Everything in Monthly
- Save 17% vs monthly
- Full peptide database with dosing
- Interaction checker
- Protocol templates
- Injection tracker with reminders
- Lab & progress tracking
7-day free trial included
Why Physician-Supervised Peptides?
Here's what you should know about getting peptides right.
The Gray Market Reality
Many peptides are available from unverified sources online. Without third-party testing, there's no guarantee of purity, accurate dosing, or even that the vial contains what the label says. Contamination and mislabeling are real risks.
Dosing Isn't One-Size-Fits-All
Effective peptide dosing depends on your body weight, goals, health history, and what else you're taking. A physician can tailor protocols to your specific situation and adjust based on your lab results — something a forum post can't do.
Lab Monitoring Matters
Peptides affect your hormones, metabolism, and organ function. Regular bloodwork helps catch issues early and confirms your protocol is actually working. A physician knows which markers to watch and when to adjust.
Legal Prescriptions
Physician-supervised peptide therapy means legal prescriptions from regulated pharmacies. You know exactly what you're getting, and you have a medical professional accountable for your care.
Ready for physician-guided peptide therapy?
Physician-Guided Protocols
Connect with board-certified physicians specializing in peptide therapy through our partner network, MyFlowMD. Get personalized protocols, prescriptions, and ongoing medical supervision.