Send one vial. Get a full purity analysis back from an accredited, independent lab — verifiable by anyone, anytime.
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. Ship your own sample directly for the fastest start, or choose a kit for a more guided experience — just select your preference at checkout.
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.
A more guided experience if you'd rather not source your own packaging. Includes packaging, instructions, sample labeling, and a cleaner brand touchpoint. Adds shipping time before your sample even reaches the lab.
Designed for suppliers, clinics, and companies that need third-party testing, stronger customer trust, and batch-level documentation. Panels from $1,599 — full pricing and details on the vendor page.
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
Turnaround times, sample submission, anonymity, vendor visibility — answered on our FAQ page.
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