Batch identification
Product name, SKU and batch number recorded for every release.
British Labs Peptides
Independent Lab Reports
Transparency you can verify — batch-specific documentation supplied with every research product.
Request a COA
Our testing standards
At British Labs Peptides, batches are tested by independent, certified laboratories to verify purity, identity and quality before release.
Each product is supplied with a Certificate of Analysis (COA) covering the results recorded for that batch.
- HPLC (High-Performance Liquid Chromatography): confirms purity
- MS (Mass Spectrometry): verifies molecular identity
What’s included in each lab report
Identity and purity
Analytical identity confirmation and purity figures reported per batch.
Handling notes
Storage and handling conditions stated alongside the documentation.
Laboratory and date
Name of the testing laboratory and the date of analysis shown on every report.
Sample Lab Report
| Parameter | Result | Method |
|---|---|---|
| Product Name | Retatrutide (10mg) | - |
| Batch Number | #58826 | - |
| Purity | 99.74% | HPLC |
| Molecular Identity | Confirmed | Mass Spectrometry |
| Heavy Metals | None Detected | ICP-MS |
| Endotoxin Level | Below Detection Limit | LAL Test |
All testing conducted by certified third-party analytical laboratories. Results are batch-specific and available upon request.