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Peptide Authority

Articles on peptide evidence, safety literacy, regulation and interpreting research claims.

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6 articles

What Is a Certificate of Analysis and Why Every Peptide Researcher Must Read One

What Is a Certificate of Analysis and Why Every Peptide Researcher Must Read One

A Certificate of Analysis is not just a piece of paper — it is the primary quality-control document for research peptide…

Oct 19, 2026

Tirzepatide vs Semaglutide: An Honest Side-by-Side for UK Patients in 2026

Tirzepatide vs Semaglutide: An Honest Side-by-Side for UK Patients in 2026

Tirzepatide and semaglutide are the two dominant GLP-1 class medicines in the UK, but they are not identical — tirzepati…

Oct 6, 2026

8 Red Flags That Should Make You Walk Away From a UK Peptide Clinic

8 Red Flags That Should Make You Walk Away From a UK Peptide Clinic

The rapid growth of private peptide and GLP-1 clinics in the UK means standards vary widely. Knowing what legitimate cli…

Sep 22, 2026

BPC-157: Separating the Animal-Study Hype from What Human Evidence Actually Says

BPC-157: Separating the Animal-Study Hype from What Human Evidence Actually Says

Forums are full of BPC-157 success stories, but the overwhelming evidence base is rodent studies — a crucial distinction…

Sep 7, 2026

How to Spot a Fake Mounjaro or Ozempic Pen Before You Inject It

How to Spot a Fake Mounjaro or Ozempic Pen Before You Inject It

Counterfeit Mounjaro and Ozempic pens seized in the UK have contained everything from tap water to insulin — and they ca…

Sep 3, 2026

GLP-1 Weight-Loss Injections on the NHS vs Private: What Nobody Tells You About the True Cost

GLP-1 Weight-Loss Injections on the NHS vs Private: What Nobody Tells You About the True Cost

Ozempic and Mounjaro are household names, but most patients do not realise there are two entirely different pathways to …

Aug 8, 2026

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