Certiva News & Education
Practical, compliant guides on quality, testing, and logistics — written to help you evaluate research peptides, supplements, and skincare actives.
How to Read a Peptide Certificate of Analysis (COA)
A Certificate of Analysis reports a peptide's identity and purity. Here's how to read every section of a COA — HPLC purity, mass spec, batch number — and verify it.
Jul 1, 2026HPLC vs Mass Spectrometry — How Peptides Are Tested for Purity
HPLC measures peptide purity; mass spectrometry confirms identity. Learn what each method proves, why reputable suppliers use both, and how to read the results.
Jun 24, 2026How to Store Lyophilized Peptides and Why Cold Chain Matters
Lyophilized (freeze-dried) peptides are stable when kept cold and dry. Learn correct storage temperatures, why cold-chain shipping protects purity, and common mistakes.
Jun 17, 2026Every batch, worthy of trust.
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