Engineered in the dark, proven in the light

The standard for
serious research.

High-purity peptides — third-party verified and discreetly shipped. No guesswork, just documented material from a source you can trace.

Explore catalog → How we test
99.4%
Avg. lot purity
25
Compounds in stock
24h
Same-day dispatch
The Onyx standard

Three promises on every order.

Independent analytical testing of an Onyx Research vial
Independently verified

7× tested

Independently tested for purity and identity before any lot is listed — and the certificate is published for you to check.

See the certificates →
Sealed, discreet Onyx Research shipment
Same-day dispatch

Shipped same day

In-stock orders placed before the daily cutoff ship the same business day — sealed, discreet, and tracked to your door.

Shipping details →
Certificate of analysis with seal beside an Onyx Research vial
Backed by COA

Quality Guaranteed

Every lot is guaranteed to match the certificate we publish for it — verified to spec, or we make it right.

How we test →
FAQ

Questions, answered.

Yes — every lot is independently tested for purity and identity before it’s listed, and the signed certificate is published for that exact lot.
Use the COA lookup to search by compound or lot number. The certificate for your exact lot is published there and lives in your account after purchase.
In-stock orders are fulfilled the same business day and ship FedEx 2-Day with tracking. Expedited options are available at checkout.
Yes. Orders ship in plain, unbranded, tamper-evident packaging — nothing on the outside identifies the contents.
Products ship as a lyophilized powder — shelf-stable and sealed, no cold chain needed. For long-term storage keep lyophilized at -20°C, away from light. Per-product guidance is on each page.
No. All products are strictly for in-vitro laboratory research. They are not drugs, foods, cosmetics, or supplements, and are not for human or veterinary use.

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FDA Disclaimer

The statements made within this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure or prevent any disease. All products are for laboratory developmental research USE ONLY. Products are not for human consumption.

Onyx Research is a chemical supplier. Onyx Research is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic act. Onyx Research is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic act.

THE PRODUCTS WE OFFER ARE NOT INTENDED FOR HUMAN USE. THEY ARE INTENDED FOR IN-VITRO AND PRE-CLINICAL RESEARCH PURPOSES ONLY. THE CUSTOMER ACKNOWLEDGES THAT THERE ARE RISKS IN THE HANDLING, USE, AND DISTRIBUTION OF THESE PRODUCTS, AND CERTIFIES THAT IT HAS THE PROPER EQUIPMENT, FACILITIES, AND PERSONNEL FOR MANAGING THOSE RISKS; AND THE CUSTOMER KNOWINGLY ACCEPTS THESE RISKS.