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PeptiDex

Peptide Research Index

Research-backed

⚠️ Educational only · Not medical advice · Consult a doctor · Most peptides are research-only / not FDA-approved for human use

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Power Tools

Research-grade utilities for your peptide journey

AI Powered

PeptiDex Advisor

Chat with our AI advisor get personalized peptide recommendations, dosing help, stack analysis, and more.

Peptide Comparison

Compare 2-3 peptides side-by-side: mechanisms, dosing, evidence, safety, and interactions.

Dosage Calculator

Calculate reconstitution volumes, syringe units, and dosing schedules for any peptide.

Interaction Checker

Check for synergies, cautions, and contraindications between your peptide selections.

Evidence Dashboard

All 24 peptides ranked by strength of clinical evidence with study counts.

Price Comparison

Average cost per vial, per dose, and doses per vial for all peptides.

Blood Work Analyzer

Input your lab results and get personalized peptide suggestions based on your biomarkers.

PK Plasma Graphs

Visualize pharmacokinetic plasma concentration curves for any peptide peaks, half-life decay, and multi-dose accumulation.

COA Analyzer

Verify a supplier's Certificate of Analysis enter the reported MW and purity to get a Pass / Fail verdict against lab reference values.

Half-Life Visualizer

See how multiple peptides' plasma levels overlap throughout the day. Optimize injection timing with interactive curves.

Learn

Peptide 101

5 guided modules

Glossary

82 terms explained

Reconstitution

Step-by-step guide

Track & Find

Tracker

Log doses & cycles

Suppliers

Vetted sources

Where to Buy

Compare prices

Doctors

Find practitioners

Stacks

Community protocols

Find Your Stack

5-question quiz

Protocol Builder

Build & export