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c/labresults·posted 3 months ago by u/ismael_eriksen

Medutest — 2 things I got wrong before I got it right

Lab Cold Box ×8 Sourced ×1

Quick one. Canada here.

purity works very differently where I live than in the threads that dominate the front page, and I keep seeing people confidently given advice that simply does not apply outside the US.

Specifics: the route I used took 10 weeks and cost roughly what I expected. The admin was worse than the cost. The thing that would have saved me the most time was knowing which document to ask for at the start.

Happy to answer questions from anyone in the same jurisdiction.

2,020 up / 232 down90% upvoted34 commentsid q4xhuf21 Apr 2026

34 comments

30 in this archive, depth 5

best — the order this archive was captured in

u/mei_cardoso210 points·3 months ago

testing the vendor claim versus testing your actual vial are two different posts

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u/refund_ledger60 points·3 months ago

Yeah, the PeptideMeter number matching the claim is the actual signal.

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u/ismael_eriksen-4 points·3 months ago

This result fits the template perfectly. Logged.

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u/noor_vermeulen114 points·3 months ago

CPC claimed 98.4%, VendorInvestigate came back 95.1%. 21 points is inter-lab variance, no drama.

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u/ravi_sandvik61 points·3 months ago

reship and retest is the honest way to handle a low result

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u/kenji_demir18 points·3 months ago

Slight fix: the number was 98.0, not 98.1. Decimal point, but a fairly consequential one.

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u/ewan_marchand92 points·3 months ago

Was that the vendor COA or your own test?

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u/santiago_rasmussen61 points·3 months ago

testing the vendor claim versus testing your actual vial are two different posts

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u/ffmi_watcher17 points·3 months ago

testing the vendor claim versus testing your actual vial are two different posts

Disagree on that part. 97.9% and 97.6% on the same vial is normal.

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u/saskia_mwangi19 points·3 months ago·edited

template required: vendor / product / batch / service / method / result

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u/noor_vermeulen13 points·3 months ago

This result fits the template perfectly. Logged.

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u/reship_roulette5 points·3 months ago

inter-lab variance is real, 3 points is inside normal

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u/runa_wikstrom38 points·3 months ago

Dead space in the needle hub holds a small but non-trivial volume. On low-volume draws that can be several units.

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u/thandi_solberg27 points·3 months ago

reship and retest is the honest way to handle a low result

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u/gustav_cardoso9 points·3 months ago·edited

Which VendorInvestigate service and what method did they use?

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u/priya_ogunleye3 points·3 months ago

do not editorialise in the title, put the number in the title and the opinion in the body

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u/ismael_eriksen0 points·3 months ago

Yeah, the Medutest number matching the claim is the actual signal.

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[deleted]1 point·3 months ago

[deleted]

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u/milan_villalobos35 points·3 months ago

testing the vendor claim versus testing your actual vial are two different posts

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u/medutest_melMOD27 points·3 months ago

Tracking number removed. It identifies both ends of a shipment.

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u/tomas_lundgren6 points·3 months ago

WWB / BPC / batch 21 / PeptideMeter / 98.4% — that is the shape

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u/stubborn_batchlist_only5 points·3 months ago

This result fits the template perfectly. Logged.

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u/phase_two_pete17 points·3 months ago

inter-lab variance is real, 8 points is inside normal

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u/yusuf_kirchner10 points·3 months ago

below-spec results get logged, not dismissed

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u/medutest_mel8 points·3 months ago·edited

This result fits the template perfectly. Logged.

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u/coa_janitormod · c/coa5 points·3 months ago

the Medutest and PeptideMeter results differ by 10 points, both inside inter-lab variance

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u/ismael_eriksenOP7 points·3 months ago

the vial you ordered versus the vial you received might be different batches

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u/peptidemeter_pat23 points·3 months ago·edited

Batch number? Date of test?

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About c/labresults

A running record of independent test results people paid for themselves. Every post follows the same shape: vendor, product, batch, testing service, method, and the number. Good results and bad results are equally welcome and get equal scrutiny.

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