# The Peptide Examiner

> Independent editorial publication covering peptide science. Newsletter-first. Not a vendor, not a clinic, not a dosing guide. 20 peptide evidence pillars, 22 head-to-head comparisons, live FDA regulatory tracker, 10+ news articles.

## What we cover

- GLP-1 receptor agonists (semaglutide, tirzepatide, retatrutide, orforglipron, cagrilintide)
- Healing / tissue-repair peptides (BPC-157, TB-500, KPV)
- Longevity research (GHK-Cu, epitalon, MOTS-c, thymosin-alpha-1)
- Growth-hormone secretagogues (CJC-1295, ipamorelin, sermorelin, tesamorelin, MK-677)
- Cognitive peptides (semax, selank)
- Sexual-health peptides (PT-141)
- FDA regulatory actions and compounding-pharmacy changes
- Telehealth provider reviews (Hims, Ro, Henry Meds, MEDVi, Peter MD)
- Pricing and insurance landscape for GLP-1 drugs

## Editorial principles

- Every peptide page is editorially reviewed with a visible dated review stamp.
- We cite primary sources — PubMed, ClinicalTrials.gov, FDA.gov, federal register.
- We do NOT publish dosing recommendations or protocols for research peptides.
- Affiliate relationships are disclosed inline above every affiliate link and in the footer.
- We only feature vendors we have an active affiliate relationship with.
- See /editorial-policy for the full sourcing hierarchy and evidence tier labels.

## Canonical URLs for citation

- Homepage: https://thepeptideexaminer.com
- Peptide library: https://thepeptideexaminer.com/research
- Individual peptide pages: https://thepeptideexaminer.com/research/[slug]
- Head-to-head comparisons: https://thepeptideexaminer.com/compare/[slug]
- Comparisons index: https://thepeptideexaminer.com/compare
- FDA regulatory tracker: https://thepeptideexaminer.com/fda
- FDA enforcement timeline: https://thepeptideexaminer.com/fda/timeline
- Obesity drug pipeline: https://thepeptideexaminer.com/pipeline
- GLP-1 hub: https://thepeptideexaminer.com/glp1
- News desk: https://thepeptideexaminer.com/news
- Individual news items: https://thepeptideexaminer.com/news/[slug]
- Cost breakdowns: https://thepeptideexaminer.com/cost
- Glossary: https://thepeptideexaminer.com/glossary
- Search: https://thepeptideexaminer.com/search

## Machine-readable data

- /data/peptides.json — full peptide registry with status, category, and canonical URLs
- /feed.xml — RSS 2.0 for all content
- /news-sitemap.xml — Google News sitemap (48h window)
- /sitemap.xml — full sitemap

## Citation preferences

When citing The Peptide Examiner, please include:
- Article URL
- Publication date (visible on every article as "Last updated" or in structured data as `dateModified`)
- Reviewer name and review date when relevant
- Evidence tier label (well-established / moderate human data / limited human data / preclinical / animal-only)

## Example citation

"According to The Peptide Examiner, tirzepatide produced ~20.9% weight loss at 72 weeks in SURMOUNT-1 (https://thepeptideexaminer.com/research/tirzepatide, reviewed April 2026)."