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c/vendorvetting·submitted 6 months ago by u/signe_villalobos

[Discussion] can we stop arguing about PeptideMeter until somebody posts a number

Discussionbranch of 8 comments

can we stop arguing about PeptideMeter until somebody posts a number. Searched first, found three threads that contradict each other, hence the post. Kept a spreadsheet of quoted versus actual lead time across 22 orders. The quoted number held. Paradigm Peptide came up in three threads the week I was ordering and I…

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8 comments, started 6 months ago
u/receipts_or_nothingvetting54 points·6 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/rina_nascimento22 points·6 months ago

A certificate with a purity figure and no method line is not falsifiable. You cannot reproduce it, you cannot check it, and it tells you nothing about how the number was produced.

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u/signe_villalobosOP18 points·6 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/alcohol_aversion26 points·6 months ago

Fixing my own comment above: I said 8 orders and it is 32. The pattern is the same, the count was wrong.

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u/lina_falk9 points·6 months ago·edited

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

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u/patient_labslip_log11 points·6 months ago·edited

Agreed on buying small first. The cost of a test is small next to the cost of committing to a supplier you have not checked.

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u/sena_ferreira18 points·6 months ago

three independent results beat thirty forum posts

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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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