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What are the four lane codes?
Each row gets one of four codes, and that's the whole system:
- P, the prescription lane: a prescriber and a licensed pharmacy stand at the gate.
- R, the research supply lane: a per batch lab record stands in place of a gate.
- N: a result that sells nothing in either lane.
- U: a domain we can't place yet.
A row gets exactly one code. The code names the lane, nothing more.
What fills a cell?
Only a page we opened during the build, dated with the day we read it. Never a search snippet, a directory listing, an outside review or a domain name. Those all describe something other than the seller's own current page.
If we didn't open a page, the cell says not established, page not read. That's a real answer, not a guess. It's why the table can be honest and mostly empty at the same time.
What if a page won't load?
Then the cell says one thing: the fetch failed, with its date. An error describes our tools, not the page, so we never turn it into a claim either way.
Four domains failed to load this run, so their cells read fetch returned an error instead of a lane. A page we couldn't read stays unlinked and unquoted until a later read works.
How are rows sorted?
By lane first (prescription, research supply, not a route, then unclassified), then by search position. Both steps are mechanical and unpaid. Only one thing keeps a row out of a lane: no dated live read. The table is on the home page: the table this method produced.
What do we cover?
We report two things and no third: which lane a route belongs to, and what paperwork it can produce. Material in the research supply lane is lab stock, not a licensed medicine. The supplier we cite says on its own pages that it sells research-grade material, not a medicine any regulator has signed off.
We don't assess any person or call anything safe or effective. Questions about a person belong with a licensed clinician.