Peptide Rhino
Now in private beta
For qualified researchers · Independent · No pay-to-play

The trusted directory for research peptides.

Honest vendor reviews, verified discount codes, a research peptide encyclopedia, and a private research log — built for qualified researchers.

Join the beta free Browse vendors

For research purposes only. Not medical advice.

How it works

Three steps from the directory to your research bench.

Find a vendor

Browse verified research peptide vendors filtered by purity, COA availability, price tier, and community rating.

Verify with reviews

Read honest first-person experiences from other researchers before you order.

Save with a code

Use exclusive discount codes from vetted vendors. Every click is logged for legal defensibility.

Your private research log

Track what was administered to your research subjects — vials, doses, calendar — research-context only.

Vials & doses
Reconstitute, label by source, and log every dose to a vial.
Calendar + list
See your subject's dosing history at a glance or in detail.
AI Stack Review
Neutral, research-framed notes on your active vials and recent dosing.

For research use only. Not medical advice.

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May 2026
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Research use only. Nothing on this site is medical advice or a recommendation for human consumption. This is a research log: entries describe what was administered to research subjects. Always consult a qualified medical professional before making any health decisions. You must comply with all applicable laws in your jurisdiction.

A private research log built for the bench

Calculator, vial library, calendar, and a cited AI assistant — in one place.

  • Reconstitution calculator
    Enter mg + BAC water, get the units to draw on a 100u syringe.
  • Vial library
    Track each vial with a photo, vendor, lot, and concentration.
  • Calendar log
    Record every administration to a research subject, with notes.
  • AI research assistant
    Ask a peptide question, get cited published research.
Start your research log

For in vitro research only. The log never recommends doses for human use.

Frequently asked

Plain answers about what this directory is and isn't.

No. We're an editorial directory. We don't sell, ship, or fulfill anything.

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Peptide Rhino is an editorial directory of research peptide vendors. All content is for qualified researchers and laboratory professionals. Peptides described are not approved by the FDA for human or veterinary use. Nothing on this site is medical advice. Full disclaimer.