Quality & Lab Testing
Research integrity begins with verified chemistry. Every batch is third-party tested before it is made available: identity confirmation, chromatographic purity analysis, and potency quantification against authentic reference standards. The results are reported in full on each product's lab certificate, published on every product page.
HPLC-UV/MS Analysis
High-performance liquid chromatography with mass spectrometry confirms compound identity and chromatographic purity to 0.5% LOQ.
Identity Confirmation
Mass spectral comparison against authenticated reference standards confirms compound identity for every batch.
Potency Assay
Total peptide mass quantified and reported as percentage of label claim, ensuring dose accuracy.
What Is Tested
Three core analytical criteria are covered. Chromatographic purity is determined by HPLC-UV/MS, establishing what percentage of the total sample consists of the target compound. Identity confirmation uses mass spectral comparison against authenticated reference standards to verify the compound is exactly what is labelled. Potency quantification calculates the total mass of peptide present in each vial and reports it as a percentage of the label claim, confirming dose accuracy. Where available, endotoxin testing is also performed using the LAL method per USP 86.
Third-Party Testing Laboratories
Krause Analytical LLC
Austin, TX
An independent analytical laboratory based in Austin, Texas operating under USP/NF methodology. Krause Analytical performs HPLC-UV/MS purity and potency analysis, mass spectral identity confirmation, endotoxin testing per USP 85, and metals analysis per USP 233. Results are issued under the Finnrick testing platform with a unique verifiable test certificate ID.
Chromate Analytics
United States
An accredited third-party analytical laboratory. Chromate Analytics performs RP-HPLC purity assays alongside batch documentation and identity confirmation. Digital signatures from the Lab Manager and Scientist are included on all issued certificates.
Batch Traceability
Every product listing on UK Peptide Lab is linked to a specific tested batch. When stock is replenished from a new batch, the corresponding lab certificate is updated before the product is listed. This means the certificate available on each product page corresponds directly to the batch currently in stock, not a historical result from a previous supply. We believe this level of traceability is the minimum standard researchers should expect from any supplier.
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All products are supplied strictly for in vitro scientific research purposes. Not for human consumption, veterinary use, or clinical application.