Research Materials

Research Peptides
You Can Trust.

Research-grade peptides with Certificate of Analysis on every batch. 99%+ identity purity, third-party tested.

99% Purity Guaranteed
Every batch verified
Shipment Protection
Every order fully covered
CoA with Every Batch
Third-party tested in America
TB-500 GL-RT BPC-157 NAD+
The Cuylux Guarantee
Documented quality for research and laboratory use.

Every batch meets our internal purity standards before it ships.

99% Purity Guaranteed
Every batch verified →
Shipment Protection
Every order fully covered →
CoA with Every Batch
Third-party tested in America →
Why Cuylux

Built different, for a reason.

The research compound space is full of noise. We cut through it with one standard: you deserve to know exactly what you're getting.

Independent Third-Party Testing

Every batch tested by Janoshik Analytical — not us. Their HPLC results are what ship with your order. No incentive to fudge numbers, and we don't.

99%+ Purity, Not "Research Grade"

"Research grade" is a meaningless label. We specify purity by percentage on every CoA — above 99% across our entire catalog, or it doesn't ship.

12–24hr Dispatch

Orders placed before 2pm EST ship the same day. We don't batch orders once a week. Your research timeline matters to us.

Free Shipping, Always

No threshold. No fine print. Free shipping on every order, every time. The price you see is the price you pay.

Real Human Support

Questions about reconstitution? Storage protocols? A real person responds within 12–24 hours — not a bot with canned answers.

Discreet Packaging

All orders ship in plain, unmarked packaging labeled as laboratory research materials. What's inside is your business.

Research Bundles

Curated multi-compound combinations. Better value, same certified purity.

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All Compounds

30+ third-party-verified compounds to 99%+ purity.

Added

Your account unlocks more.

Track orders, earn VIP status, and connect with the research community.

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Order Tracking

View all orders, statuses, and tracking numbers in one place.

VIP Researcher Status

After 5 orders, unlock VIP status — exclusive perks and priority support.

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Discord Role

Link your Discord and get your Researcher role auto-assigned in our community.

Documentation

Every lot ships with a Certificate of Analysis from Janoshik Analytical. Identity and purity verified by independent third-party testing.

View Sample CoA →
Age & Buyer Verification

Purchasers must be 21 or older and a qualified researcher. By ordering you confirm qualified laboratory research use only.

Research Use Only

All materials are for in-vitro laboratory research only. Not for human or animal consumption, injection, dosing, or administration of any kind.