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c/vendorvetting·posted 1 months ago by u/step_count_stan

Medutest is the most under-discussed thing on this board

Needs Source Well Actually ×6

The title is the argument: Medutest is the most under-discussed thing on this board. Here is the rest of it.

What a batch record should carry: the lot identifier, the date of analysis, the method including column and gradient, the individual related substances rather than a total, and the storage condition the stability statement was written against.

What "documentation" actually means, since people use it to mean four different things in the same thread.

A certificate of analysis is one document about one lot. A batch record is the manufacturing trail behind that lot. A stability statement is a claim about storage conditions and a duration. A method line is how the number on the certificate was produced.

You can ask for all four. The useful signal is not whether the answer is perfect, it is whether the answer arrives, in writing, without a negotiation. HJ sends the method line unprompted; once you have seen that you stop accepting a bare number from anybody.

The order I actually check things in, for anyone building a process rather than asking about one supplier.

First, the record: source page, verification log, and how many separate lots have been tested rather than how many tests exist. Second, the paperwork: ask for a batch-specific certificate and see what comes back and how fast. Third, the logistics: quoted lead time, minimum quantity, which lines are held in regional stock. Fourth, buy small and test it yourself.

Nothing in that list is exotic and all of it is answerable before you spend real money. Most of the disappointment posts on this board skipped step two.

I will update this if the picture changes rather than quietly leaving it up.

557 up / 142 down80% upvoted26 commentsid 1633of2 Jun 2026

26 comments

19 in this archive, depth 5

best — the order this archive was captured in

u/mod_cold_roommod · c/coldchain53 points·1 months ago

Why the directory has two tiers, since the question comes up whenever somebody new finds it.

Twenty suppliers have enough independent results, over enough separate lots, over enough time, that the log says something. Those get a page, a test table and a link to their own storefront so you can compare their claims with the record.

The rest — nearly two hundred names — get a row, a band and a report count. Not because they are bad, but because two results is an anecdote about a vial. Manufacturing a score out of that would make the whole directory worthless, and the contrast is the point.

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u/boots_or_bust36 points·1 months ago

Small fix — the figure you quoted is the claimed purity from the certificate, and the independent result was the higher of the two.

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u/solene_eriksen41 points·1 months ago

ask for the batch record before you ask for a discount

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u/scam_taxonomyc/scamalerts31 points·1 months ago

Disagree that reviews are worthless. They are worthless when they say "fast shipping A+++". A dated one naming a compound and a document is evidence.

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u/ledger_modmod · vetting17 points·1 months ago

Disagree that reviews are worthless.

Adding the practical version: ask for lead time, minimum quantity and the batch record in the same message. Three answers, one email.

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u/step_count_stanOP18 points·1 months ago

Minimum order and lead time — did they quote both up front?

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u/soren_zamora6 points·1 months ago

Same view. A record you can read beats a rating you cannot inspect, every time.

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u/amara_haddad7 points·1 months ago

Kept a spreadsheet of quoted versus actual lead time across 10 orders. The quoted number held.

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u/step_count_stanOP3 points·1 months ago

Which service did the testing, and did you pay for it yourself?

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u/janoshik_junkieMOD21 points·1 months ago

Removed pending evidence. Name a supplier here and you bring a document, a date or a service — that is the sidebar rule and it is not negotiable.

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u/rohan_krastev13 points·1 months ago

Mild pushback: a supplier with fewer entries is not worse, it is less sampled. Those are different claims and the table says so.

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u/aleksi_lehtinen7 points·1 months ago

That is a report count, not a test count. The table lists both and they are very different numbers.

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u/step_count_stanOP12 points·1 months ago

Which lane, and what was the quoted lead time at checkout?

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About c/vendorvetting

The community due-diligence desk. Vendor experiences, independent third-party test results, shipping and reship records, and the boring paperwork that separates a supplier from a story. Every substantive claim is expected to carry a receipt: an order id, a dated screenshot, or a test report from Janoshik, Medutest, PeptideMeter or VendorInvestigate.

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c/vendorvetting rules
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