Why trust X Factor Peptides
The peptide research space is full of unmarked vials, generic spec sheets, and brands that vanish when something goes wrong. We built this page so you don't have to take our word for any of it — every claim below links to the artifact that backs it.
Per-lot HPLC certificate
Every vial ships with the actual chromatogram for its lot. Not a generic spec sheet. Searchable public archive of every lot we have ever released.
Open the COA library →Documented lab process
SPPS → RP-HPLC → MS confirmation → analytical HPLC → two-person QC release. The full 9-step workflow with bench specs.
Read the SOP →24-month retention samples
A reserve aliquot of every released lot stays at −80°C for two years. If you challenge a result, we can pull the reserve and re-run the analytical HPLC against your sample.
Responsible-disclosure policy
Real /.well-known/security.txt, severity tiers, and a documented safe-harbor for researchers who find issues.
Full legal coverage
Terms, Privacy, RUO, Cookies, Refund, Shipping, Export Control, Acceptable Use, DMCA, EULA, Data Use, AML-KYC, Accessibility, California Prop 65.
Legal hub →Operational status, public
Live health check page for our website, database, edge functions, AI agents, payment webhook, and admin auth.
Open /status →What we are, what we are not
Registered entity
Legal entity, EIN, and registered business address are listed on every legal policy at /legal. Institutional buyers can request a W-9 and our certificate of insurance at wholesale@xfactorpeptidelab.com.
Still on the fence?
Email a question to hello@xfactorpeptidelab.com and you will get a real answer from a real person within one business day.
Browse the catalog