How a stop gets on the map.

What the network covers

Moleculine explains peptides and the science around them: how signals reach a cell, what the gut and the brain do with peptides, how healing works, and how peptides are made, tested and stored. Stops are ordered by difficulty so a reader can travel from the basics outward.

Sources we use

Facts come from primary records: studies indexed in PubMed and PubMed Central, drug labels on DailyMed and Drugs@FDA, pages from the FDA, the EMA and Health Canada, anti-doping authorities, trial registries and peer-reviewed journals. Recent regulatory events may cite a named news outlet, labelled as news.

Vendor pages, clinic marketing, law-firm blogs, forums and Wikipedia are not sources. A seller's certificate of analysis is not independent proof of anything.

Two kinds of stops

The longer stops were researched against a fact-check log and list their Sources under the text. The 16 short starter stops were written first, as plain introductions to the basics, and do not list sources yet; each one says so on its page. They are being reviewed and will gain sources or be expanded.

Doses and sellers

Readers often arrive with a dosing question, and many titles name it. A stop answers it with what the evidence contains: the dose printed on the label of an approved medicine, cited to that label, and a general description of what studies used. For unapproved compounds a stop says that no established human dose exists. We give no personal dosing advice, no schedules or injection instructions, and we never name sellers or list prices for grey-market products.

Independence and authorship

There are no ads, affiliate links, discount codes or sponsored stops. Stops are published by the Moleculine desk; named authors and reviewers will appear only when real people with stated qualifications sign their work.

Corrections

When a label, a trial result or a regulator decision changes, or when we got something wrong, the stop is updated and its Last reviewed date moves to the day of the change. Report an error through the contact page with a link to the record that shows it.

Last updated 28 Oct 2026. See also the editorial policy, the privacy policy and how to read the map.