Engineered in the dark, proven in the light
The standard for serious research.
High-purity peptides — third-party verified and discreetly shipped from a source you can trace.
99.4%
Avg. lot purity
52
Compounds in stock
24h
Same-day dispatch
The catalog
Beauties
The catalog
Fragrances
The Onx standard
Three promises on every order.
Independently verified
7× tested
Independently tested for purity and identity before any lot is listed — and the certificate is published for you to check.
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.
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.
FAQ
Questions, answered.
Yes. Every lot is independently assayed for purity by reverse-phase HPLC and confirmed for identity by mass spectrometry before it is listed. The certificate is archived against a unique lot ID and published in the COA lookup.
Use the COA lookup to search by compound or lot number. The matching certificate also lives in your account after purchase.
Products are supplied as a lyophilized powder, shelf-stable and sealed against light and moisture — no cold chain required for shipping. For long-term storage, keep lyophilized material at -20°C and protected from light. Storage guidance is listed on each product page.
In-stock orders are dispatched the same or next business day with tracking. Expedited options are available at checkout. See Shipping for details.
Yes. Orders ship in plain, unbranded, tamper-evident packaging. Nothing on the outside identifies the contents.