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Reference information only. Therapept does not sell peptides and does not provide medical advice.Research-use notice

Therapept

Directory

Testing laboratories

Laboratories that publicly state a peptide testing capability, recorded from their own live pages. Capabilities a laboratory has not published are marked “not stated” — and filters never treat that as a yes.

Must publicly offer

12 of 12 laboratories

Testing laboratories and their publicly stated capabilities
LaboratoryHPLCLC-MSIdentityPurityEndotoxinSterility
Janoshik AnalyticalNot publicly statedYesYesYesYesYesYes
Bio-Synthesis, Inc.Lewisville, Texas, United StatesYesYesYesYesYesNot stated
Intertek Pharmaceutical ServicesManchester, England, United KingdomYesYesYesYesNot statedNot stated
MZ BiolabsTucson, Arizona, United StatesYesYesYesYesNoNo
Prodigy LabsSan Diego, California, United StatesYesYesYesYesYesYes
SteriGenix AnalyticalJacksonville, Florida, United StatesNot accepting new workYesYesYesYesYesNot stated
BioviridianCollege Station, Texas, United StatesYesYesYesYesYesYes
Colmaric AnalyticalsSt. Petersburg, Florida, United StatesYesNot statedYesYesNot statedNot stated
SGSBaar, Zug, SwitzerlandYesNot statedYesYesNot statedNot stated
Eurofins BioPharma Product TestingMultipleYesYesYesYesNot statedNot stated
ResolianMalvern, Pennsylvania, United StatesNot statedYesNot statedNot statedNot statedNot stated
Creative PeptidesShirley, New York, United StatesYesYesYesYesNot statedNot stated

Accreditation is the weakest field in this sector

Only two laboratories in this directory make a specific, checkable accreditation claim. Several make none at all — including the one whose certificates are most widely circulated in the research peptide market.

Four different things are routinely presented as though they were the same credential, and they are not:

  • ISO/IEC 17025 — testing-competence accreditation, granted for a named scope of methods and verifiable on a public register.
  • ISO 9001 / ISO 13485 — quality-management certification. Not a statement about testing competence.
  • cGMP or GLP inspected — regulatory inspection status, not accreditation.
  • DEA registration — a controlled-substance licence. It says nothing about analytical quality.

Therapept records each claim verbatim and marks it self-reported until it is confirmed on an accreditation body’s register. No laboratory here has yet been confirmed against a register, so none is marked as documented.

Commissioning your own analysis

Independent testing is the only mechanism that checks a supplier’s documentation rather than trusting it. Which analysis to order depends entirely on which question you need answered — purity, identity and net peptide content are three different results.