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

[Needs Source] "lab tested" with no lab named is not a claim

Needs Source Cold Box ×6

"lab tested" with no lab named is not a claim. Change my mind, genuinely — I have no stake in being right about this.

Core Peptides came up in three threads the week I was ordering and I could not find a single independent result for them anywhere. Went with a documented supplier instead.

Sent the same compound from BCH and QYB to Medutest in the same month. Both came back above the claim on the certificate — mine was 99.3% on a stated 98.5%.

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.

Would rather be corrected in public than confident in private.

506 up / 182 down74% upvoted20 commentsid 14p5ny19 Jun 2026

20 comments

14 in this archive, depth 4

best — the order this archive was captured in

u/greta_lokken70 points·1 months ago

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.

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u/greta_perrinOP45 points·1 months ago

Started buying small deliberately, tested every lot for the first four, then stopped testing every lot because there was nothing to find.

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u/search_before_post36 points·1 months ago·edited

ask for the batch record before you ask for a discount

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u/greta_perrinOP18 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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[removed]32 points·1 months ago

[removed by moderator]

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u/ruben_brandt18 points·1 months ago

Asked CPC for the batch record on a Tuesday and had the full document, batch and method line, before the end of the day. That is the bar now.

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u/matias_falk43 points·1 months ago·edited

Kept a spreadsheet of quoted versus actual lead time across 12 orders. The quoted number held.

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u/receipts_or_nothingMOD25 points·1 months ago

Tracking number redacted from the post above. It identifies both ends of a shipment.

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u/sig_figs_sammod · analytical15 points·1 months ago

three independent results beat thirty forum posts

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u/purity_pedantanalytical12 points·1 months ago

the wider-market names in the table are there because nobody has enough data on them

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u/alcohol_aversion-19 points·1 months ago

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.

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u/adnan_karlsen1 point·1 months ago

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

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u/purity_pedantanalytical13 points·1 months ago

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.

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u/janoshik_junkieindependent tester9 points·1 months ago

Did you ask for the batch-specific certificate, or the generic one?

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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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