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Every peptide we sell is third-party tested and comes with full
documentation of purity and identity verification.
A Certificate of Analysis (COA) is your proof that what’s on the label is what’s in the vial.
We believe in complete transparency—every batch, every time.
Purity Standard
Batches Tested
High-Performance Liquid Chromatography separates and quantifies peptide components to verify 99%+ purity.
Precise molecular weight verification confirms peptide identity and structural integrity.
Acid sequence confirmation ensures the compound in the vial matches the labeled research reference.
Navigate to the product page for your peptide. Every product displays current batch information.
Find the ‘Certificate of Analysis’ link below the product description to view or download.
Review purity percentage, molecular weight confirmation, and test date for your batch.
A Certificate of Analysis is a document from an independent laboratory that verifies the purity, identity, and quality of a peptide. It includes test results from HPLC analysis, Mass Spectrometry, and other quality control measures.
Every product page includes a link to view or download the current batch's Certificate of Analysis. You can also request specific COAs by emailing [email protected] with your order number.
Key sections include: Purity % (should be 99%+), Molecular Weight confirms identity, Appearance is lyophilized powder, and Sequence is acid sequence. Our COAs include clear explanations of each test result.
Yes, we partner with ISO 17025 accredited laboratories that specialize in peptide analysis. These independent facilities have no financial interest in our products, ensuring unbiased results.
Every production batch undergoes full testing before release. We maintain rigorous quality control with no exceptions—if a batch doesn't meet our 99%+ purity standard, it's not sold.
Contact support with your order number for batch-specific documentation.
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Glow Club sells research peptides exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.
By entering, you confirm you meet the qualifications above. Glow Club products are sold for research use only and are not intended for human consumption.
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