Verified Peptides COA: Read It Before You Buy https://verifiedpeptidescoa.com/ Verified peptides COA: what a genuine certificate of analysis looks like, how to confirm the lab, and why you check it before you buy — not after. Sun, 26 Jul 2026 00:00:00 +0000 COA Subject: How to Read the Identification Block on a Certificate | Attestory https://verifiedpeptidescoa.com/blog/coa-subject/ https://verifiedpeptidescoa.com/blog/coa-subject/ The subject of a Certificate of Analysis is the identification block: compound name, sequence, and lot number. Here is how to read it and why a mismatch means the certificate does not apply to your batch. Sun, 26 Jul 2026 00:00:00 +0000 What Is an Independent Accredited Laboratory — and Why Your COA Depends on One | Attestory https://verifiedpeptidescoa.com/blog/independent-accredited-laboratory/ https://verifiedpeptidescoa.com/blog/independent-accredited-laboratory/ An independent accredited laboratory has no ties to the manufacturer it tests and holds ISO/IEC 17025 accreditation verified by a national body. Learn why both conditions must be met for a peptide COA to carry evidentiary weight. Tue, 21 Jul 2026 00:00:00 +0000 What Is a Certificate of Analysis (COA) for a Peptide — and What Does It Actually Tell You? | Attestory https://verifiedpeptidescoa.com/blog/what-is-a-certificate-of-analysis-coa-for-a-peptide-and/ https://verifiedpeptidescoa.com/blog/what-is-a-certificate-of-analysis-coa-for-a-peptide-and/ A COA for a peptide is the batch-specific laboratory document that reports purity (HPLC % peak area), identity (mass spectrometry), and net content. Learn its four core components and how to distinguish a genuine COA from a generic or recycled document. Sun, 19 Jul 2026 00:00:00 +0000 Tirzepatide (Mounjaro) Regulatory Status in the UK and Ireland | Attestory https://verifiedpeptidescoa.com/blog/tirzepatide-mounjaro-regulatory-status-in-the-uk-and-ir/ https://verifiedpeptidescoa.com/blog/tirzepatide-mounjaro-regulatory-status-in-the-uk-and-ir/ Tirzepatide was MHRA-authorised for type 2 diabetes in September 2022 and for weight management in November 2023. Ireland authorises it via the EMA pathway. This article distinguishes the authorised Mounjaro pen from counterfeit unlicensed products seized in 2025–2026 MHRA raids. Fri, 17 Jul 2026 00:00:00 +0000 Auditing a COA Line by Line — HPLC, LC-MS, Karl Fischer, Endotoxin | Attestory https://verifiedpeptidescoa.com/blog/auditing-a-coa-line-by-line/ https://verifiedpeptidescoa.com/blog/auditing-a-coa-line-by-line/ How a verifier reads a Certificate of Analysis for research peptides, field by field: HPLC chromatograms, LC-MS mass spectra, Karl Fischer water content, and LAL endotoxin — the values to demand and the flags to watch. Thu, 16 Jul 2026 00:00:00 +0000 The Verification Standard — What Makes a COA Trustworthy | Attestory https://verifiedpeptidescoa.com/blog/the-verification-standard/ https://verifiedpeptidescoa.com/blog/the-verification-standard/ A detailed look at the four pillars of a trustworthy Certificate of Analysis: identity confirmation, purity evidence, contaminant screening, and chain of custody. Educational resource — not medical advice. Thu, 16 Jul 2026 00:00:00 +0000