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c/vendorvetting·posted 8 months ago by u/fibre_forward

[PSA] reship is not what most of this community thinks it is

PSA Clean Column ×1 Long Haul ×3 Well Actually ×3

Putting this at the top of the board where it belongs: reship is not what most of this community thinks it is.

Lead time and minimum quantity are the two facts people forget to ask for and then argue about later. Both are answerable in one email before you commit.

Inter-lab variance on this assay runs a point or two either way. Two services disagreeing by that much is agreement, not a discrepancy, and treating it otherwise starts pointless arguments.

The wider-market rows in the directory carry a band and a report count and nothing else, deliberately. Anything more would be manufacturing precision that the evidence does not support.

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

3,945 up / 606 down87% upvoted46 commentsid 3s6r7a24 Nov 2025

46 comments

19 in this archive, depth 6

best — the order this archive was captured in

u/kasper_cabrera185 points·8 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/marit_sandvik269 points·8 months ago

A certificate with a purity figure and no method line is not falsifiable.

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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[removed]173 points·8 months ago

[removed by moderator]

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u/reads_the_wiki97 points·8 months ago

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/janoshik_junkieindependent tester170 points·8 months ago·edited

Regional stock made more difference to my planning than anything else — ordering from a warehouse in New Zealand took the customs question off the table entirely.

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u/usp_appendixcompendial191 points·8 months ago

Regional stock made more difference to my planning than anything else — ordering from a warehouse in New Zealand took the customs question off the tab

This is the whole method in one sentence. Everything else in the thread is elaboration.

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u/amara_haddad99 points·8 months ago·edited

Not convinced by the ranking-by-vibe approach here. The community number is derived from reports; your feeling is derived from four posts you remember.

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u/honest_syringe1925 points·8 months ago·edited

the lot on the vial has to match the lot on the certificate, every time

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u/spreadsheet_gremlindata20 points·8 months ago

Amino Asylum shows up in threads constantly and has almost nothing on file

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u/fibre_forwardOP7 points·8 months ago

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

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u/ghrp_history227 points·8 months ago

Regional stock made more difference to my planning than anything else — ordering from a warehouse in New Zealand took the customs question off the tab

janoshik_junkie is describing the batch record test and it is the fastest signal available before you spend anything.

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u/signe_villalobos58 points·8 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/marit_sandvik17 points·8 months ago

I would separate documentation from logistics. A supplier can be excellent at one and ordinary at the other, and averaging them hides it.

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u/patient_labslip_log45 points·8 months ago

Yes. Spread across lots is the number that tells you about the process. A single high result tells you about a vial.

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u/paper_trail_paulavetting119 points·8 months ago

Careful. "Nobody has tested Risynth Bio" is a statement about this board, not about the supplier. Say the first thing, not the second.

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u/batch_number_bertieMOD80 points·8 months ago

Flair set to Vendor. Also a reminder that we take no money from any supplier in the directory.

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u/paper_trail_paulavetting54 points·8 months ago

Yes, and the reason the wider-market table has no scores is that a score built on two reports would be a lie with a decimal point.

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u/sofia_nascimento55 points·8 months ago

Where a supplier holds regional stock, ask which lines are actually held there rather than drop-shipped. It changes the lead time and it changes the customs question.

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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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