A peptide tracker for iPhone, and a plain-English peptide reference.
Pepdex is two things. The iPhone app works out the units to draw, then tracks every vial, shot and reminder. This site, pepdex.co, is the free reference: what each peptide does, dose math, side effects and FDA and WADA status, checked against FDA, WADA and PubMed sources. No paid editorial placement. No therapeutic claims. We don't sell peptides.
Pepdex (pepdex.co) is not affiliated with pepdex.app or pepdex.live.
Mission
Most peptide content is one of two extremes: vendor marketing pages with no data, or academic papers no one can read. Pepdex sits between. Every entry has plain English framing AND the underlying mechanism, dose math, and study citations. We say what the data shows and what it doesn't. We don't fabricate, we don't sell vials, and we don't take vendor sponsorship.
What's on the site
68 peptides indexed. Filter by type, evidence tier, or FDA status. Each entry has plain English summary, status panel, mechanism, dosing, side effects, FAQ, and related entries.
The educational layer. Beginner Roadmap, Glossary, Reconstitution, Injection Technique, Cycling, Storage, Bloodwork, plus the deeper reference pages on Safety, COA Education, Evidence Tiers, and Blends.
Reconstitution math. Vial size + bac water + target dose → exact units to draw on a 1 mL insulin syringe. Visual diagrams, syringe reference, concentration table.
Curated peptide news from the FDA, manufacturers, peer-reviewed studies, and trusted outlets. Direct source links on every item. Refreshes weekly.
The tracker. A free reconstitution calculator, then vials that count down doses and days left, shot reminders, a dose log and calendar, plus food, workouts and weight. Tracking is Pro.
Stack-aware chatbot. Reads your Personal Stack on every query. Plain English, knowledgeable-friend voice, no fluff. Trained on documented protocols.
What Pepdex doesn't do
- ✕Sell peptides. Pepdex is information only. We don't run a vial operation.
- ✕Sell our editorial. No paid placement and no native advertising disguised as content. What a peptide page says is never for sale.
- ✕Fabricate user reviews or testimonials. Owner notes are tagged on peptides actually used by the owner. Community-pattern paraphrases are aggregate summaries, not invented quotes.
- ✕Make therapeutic claims. Educational content only. We summarize what research has shown; we never tell you to use any peptide.
- ✕Recommend specific suppliers in public content. Pepdex's catalog stays focused on what each peptide does, not where to buy it.
How we stay accurate
- FDA Orange Book for approval status on every drug-class entry.
- WADA Prohibited List 2026 for athletic-status classification.
- FDA Bulks for Compounding for Category 1/2 status.
- PubMed, NEJM, JAMA, The Lancet for clinical trial data on every entry that has it.
- Manufacturer investor relations + Federal Register for News items.
- Empty fields where data doesn't exist rather than fabricated content.
Ready to start?
Get the iPhone app to track your vials and shots, or start with the A-Z guide, which walks zero-to-first-cycle. The whole catalog is free to read. On the web, membership adds the AI Coach for your exact stack, Personal Stack tracking, and Verified Sources for checking a source you're considering.