For Research Purposes Only

THE TESTING DESK

Find a peptide testing lab.
Know what to ask.

Compare published services, check the provider’s scope and get a quote for your exact sample. A laboratory listing is a starting point for an enquiry.

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New listings checked 16 September 2026 · dates on each profile

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8 listings shown

Contract laboratoryNorth America

ARL Bio Pharma

United States (Oklahoma)

Pharmaceutical laboratory offering analytical, microbiology, raw-material and forensic testing. Enquire about the exact compound and submission requirements.

Analytical testingMicrobiology testingRaw-material testing
Contract laboratoryNorth America

Colmaric Analyticals

St. Petersburg, Florida, United States

Contract laboratory serving pharmaceutical, food, dietary-supplement and cosmetics clients. Peptide-specific methods and individual-sample acceptance require confirmation.

Contract analytical servicesPharmaceutical and nutraceutical testing
Contract laboratoryInternational

Eurofins BioPharma Product Testing

International (Multiple Countries)

Biopharmaceutical testing network publishing services for protein analytics, identity, purity and peptide mapping. Work is scoped to the development project and laboratory.

Protein concentrationPurity and identity methodsPeptide mapping
Peptide testingNorth America

Freedom Diagnostics Assay

Franklin, Tennessee, United States

Laboratory publishing HPLC purity and LC-MS identity analysis for research-use-only peptides, with sample intake instructions and COA lookup.

HPLC purityLC-MS identityCertificate of analysis
Peptide testingEurope

Janoshik Analytical

Czech Republic

Analytical service with a published peptide-testing catalogue and an online report-verification portal.

Peptide analysisCompound-specific identity and composition analysisAdditional tests by enquiry
Peptide testingNorth America

MZ Biolabs

Tucson, Arizona, United States

Analytical laboratory publishing peptide identity, purity and quantification services using chromatography and mass spectrometry.

HPLC with UV detectionMass spectrometryIdentity, purity and quantification
Peptide testingNorth America

Peptide Test

Testing partner in Michigan, United States

Peptide-testing service with a compound-specific catalogue and a partner laboratory in Michigan. Individual researchers and commercial clients can enquire.

HPLC purity and potencyBatch variation testingSeparate contamination panels
Peptide testingNorth America

Vanguard Laboratory

Olympia, Washington, United States

Analytical laboratory offering peptide and research-chemical testing alongside food, water, supplement and topical-product services.

HPLC purityQuantity and identity testingMicrobiology and contamination panels

Related toxicology, drug-checking and clinical-research services are available under “Related services.” Their inclusion does not confirm they accept peptide product samples.

Your shortlist

Compare testing laboratories

Choose two or three laboratories above. Compare the scope for your sample, then confirm the details directly before sending it.

Select laboratories using the Compare checkbox on each listing.

Before choosing a peptide testing lab

How much does peptide testing cost?

Ask for a current written quote that names the methods, sample requirements and report deliverables. Purity, identity and quantitative amount are different questions; compare the included scope before comparing the price.

Do I need a testing laboratory near me?

Location alone does not establish whether a lab can test your sample. Confirm acceptance, shipping and handling requirements directly with the laboratory before sending anything. The region filter describes listed locations, not guaranteed service coverage.

Prepare a lab enquiry

Choose the questions you need answered. Copy the request and send it through the laboratory’s own contact channel. These fields stay in your browser and are not saved or sent to analytics.

Questions to include

This is a request for information, not a prescribed test panel. Confirm the lab accepts your sample before shipping or paying.

What a listing means

We review the provider’s published service information and link the source on each profile. We have not commissioned comparative tests or independently audited these laboratories. “Published services” means a source exists; it is not a quality score, accreditation check or endorsement.

We do not rank providers by an unsupported “trusted” badge. Prices, turnaround times, sample quantities and payment terms need a current quote from the lab. Check that any claimed accreditation covers the exact method you require.

Suggest a laboratory or report a correction

Keep the questions separate

Identity
What evidence supports the name of the substance?
Purity
Which components can this method detect and quantify?
Amount
How much of the named compound was measured, on what basis?
Microbiology
Which microbial or endotoxin tests were actually performed?

A COA describes the submitted sample. It does not establish clinical safety, effectiveness or approval. See the sourced explanation.

Make your report useful to others

Learn how to cite the original report, describe the sample and explain missing information without sharing private details.

Use the lab-report discussion template