Peptide Reference Database
The Peptide Encyclopedia
Research-backed dosing protocols, mechanisms of action, and clinical data for BPC-157, TB-500, Semaglutide, and 100+ research peptides. Free and open.
0 PEPTIDES · 0CATEGORIES · RESEARCH-BACKED
Complete Research Data
102+ peptides with mechanism of action, dosing protocols, clinical phase, side effects, and PubMed references.
Side-by-Side Compare
Compare any two peptides on mechanisms, dosing, side effects, and stack compatibility in seconds.
Dosing Calculator
Enter your vial size and BAC water volume — get exact draw volumes and U-100 syringe markings instantly.
Popular Peptides
View allBrowse by Category
From healing and recovery to metabolic health, cognitive enhancement, and anti-aging — explore research peptides by application.
Compare Any Two Peptides
Side-by-side comparison of mechanisms of action, dosing protocols, side effects, and stack compatibility for any two research peptides.
Try: BPC-157 vs TB-500 · CJC-1295 vs Ipamorelin · Semaglutide vs Tirzepatide
Open Compare ToolLATEST FROM THE BLOG
Research & Guides
KPV (Lys-Pro-Val): The Anti-Inflammatory Tripeptide Heading to FDA Review | Peptadex
KPV is a three-amino-acid C-terminal fragment of alpha-MSH studied for anti-inflammatory, gut, and skin applications. It is one of seven peptides scheduled for the July 2026 PCAC meeting.
TB-500 (Thymosin Beta-4 Fragment): Complete 2026 Research Guide | Peptadex
TB-500 is on the FDA's July 23, 2026 PCAC review agenda. Here's what the research actually shows about mechanism, dosing protocols, and human evidence.
Wegovy HD (Semaglutide 7.2 mg): 20.7% Weight Loss with the New Higher Dose | Peptadex
Wegovy HD is the FDA-approved high-dose semaglutide formulation delivering 20.7% mean weight loss. Here's how it differs from standard Wegovy and what patients should know.
Retatrutide TRIUMPH Program: All 9 Phase 3 Trials Tracked (April 2026 Update) | Peptadex
Eli Lilly's TRIUMPH Phase 3 program is reading out across 9 trials in 2026. Here's the full trial-by-trial tracker, results so far, and NDA timeline.
Coming Soon
Stop guessing if your protocol is working.
Protocol is the first app that connects your peptide doses to your actual biometric data — HRV, sleep, recovery, bloodwork — and tells you what's moving the needle.
No more spreadsheets. No more guessing. One app. One number. Your Biological Age.