Every CheckPeptide report comes with a unique COA ID — publicly searchable at checkpeptide.com/verify. We exclusively partner with Ethos Analytics, an ISO/IEC 17025 accredited lab trusted by compounding pharmacies for over six years — long before peptide testing became a trend.
Buy a panel, submit your sample, and receive a clear independent report designed to remove uncertainty.
Select consumer testing, advanced analysis, or vendor batch validation.
Use a CheckPeptide kit or ship directly with your order ID and submission instructions.
Get a branded certificate of analysis with clear verification status and lab results.
Every Order Kit ships with pre-formed foam inserts sized for your vials, a prepaid USPS Priority Mail label addressed to our lab, and a COA ID card to track your results. Open the box, place your vials, seal it, ship it.
Entry-level purity verification for a single vial.
Purity plus identity confirmation — the core standard.
Deeper risk screening with metals and endotoxin.
Every product supports both options. Choose a kit for the most guided experience, or ship your own sample directly — just select your preference at checkout.
Best for first-time customers. The kit creates a more controlled experience with packaging, instructions, sample labeling, and a cleaner brand touchpoint.
Available on every product. After checkout you receive a confirmation email with your COA ID, full packing instructions, and the CheckPeptide receiving address. Pack your vials, include your COA ID, and ship. We handle intake and forward to the lab under your submission.
Designed for suppliers, clinics, and companies that need third-party testing, stronger customer trust, and batch-level documentation.
Email labs@checkpeptide.comAll vendor tiers support direct-to-lab submission. After checkout you receive your COA ID, packing instructions, and the CheckPeptide receiving address. No kit required.
Expanded analytical testing for higher-level verification.
Advanced verification with amino acid composition analysis.
Comprehensive batch validation across 3 representative samples.
CheckPeptide creates a neutral verification layer in a market where trust is difficult to prove.
Each report is designed to make the outcome clear while preserving the technical credibility of the underlying laboratory analysis.
Start TestingCertificate of Analysis
Each CheckPeptide report ships with a unique COA ID. Anyone — you, your doctor, your customers — can look it up at checkpeptide.com/verify and see the exact test results from our lab.
Our lab partner, Ethos Analytics, has been trusted by compounding pharmacies for over six years. They were not built for the peptide boom — they were already established when it started.
COA ID: CP-2026-00001
Tirzepatide · Batch TRZ-20260601-A
| HPLC Purity | 98.3% ✓ |
| LC-MS Identity | 4813.5 Da ✓ |
| Endotoxin (LAL) | 0.23 EU/mg ✓ |
| Amino Acid Analysis | 39/39 residues ✓ |
Ethos Analytics · ISO/IEC 17025 · FDA Registered · 6+ Years Compounding Pharma
Certificate of Analysis
Each CheckPeptide report ships with a unique COA ID. Anyone — you, your doctor, your customers — can look it up at checkpeptide.com/verify and see the exact test results from our lab.
Our lab partner, Ethos Analytics, has been trusted by compounding pharmacies for over six years. They were established long before the peptide boom started.
COA ID: CP-2026-00001
Tirzepatide · Batch TRZ-20260601-A
| HPLC Purity | 98.3% ✓ |
| LC-MS Identity | 4813.5 Da ✓ |
| Endotoxin (LAL) | 0.23 EU/mg ✓ |
| Amino Acid Analysis | 39/39 residues ✓ |
Ethos Analytics · ISO/IEC 17025 · FDA Registered · 6+ Years Compounding Pharma
Keep the process simple and clear before purchase.
Yes. Direct-to-lab submission is best for vendors and experienced customers. The order ID must be included with the shipment.
Usually yes. The kit gives them labels, instructions, and a cleaner submission process.
No. CheckPeptide is an independent testing and verification service.
Yes. Vendor testing has its own section because vendors have different needs than individual customers.
Independent verification for peptides, research compounds, and vendor batches.
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