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c/labresults·posted 8 months ago by u/camila_mensa

the below spec question that gets asked weekly, answered properly

Below Spec Sourced ×5 Slow Clap ×1

below spec. That is the whole post, but I will justify it.

Everything else people worry about in c/coa is downstream of it. Titration speed, muscle cramps, the endless dose arguments — most of it resolves if you sort below spec out first, and almost nobody does.

I say this having got it wrong for 12 months. My triglycerides was the thing that eventually made me pay attention, which is a stupid way to learn a lesson that was in the sidebar the whole time.

1,823 up / 175 down91% upvoted36 commentsid padk5w25 Nov 2025

36 comments

11 in this archive, depth 4

best — the order this archive was captured in

u/kavya_radich280 points·8 months ago

QYB claimed 97.2%, PeptideMeter came back 98.1%. 21 points is inter-lab variance, no drama.

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u/medutest_melMOD173 points·8 months ago

Removed a chain here. The rule is one line long and it is not negotiable.

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u/neha_rahimi41 points·8 months ago

The Janoshik result at 98.9% was below the 99.2% claim. QST retested at their cost and came back 98.9%. Logged as resolved.

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u/priya_weiss13 points·8 months ago

Not to be pedantic but below spec and Janoshik are being used interchangeably and they are not interchangeable in real life.

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u/camila_kowalski145 points·8 months ago

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

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u/plateau_patrol107 points·8 months ago

Sceptical. If this were true we would see it reflected in the data and we do not.

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u/slow_logbook_ftw90 points·8 months ago

Which VendorInvestigate service and what method did they use?

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u/nadia_trevino55 points·8 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/camila_mensaOP46 points·8 months ago

That is net peptide content, not purity. Different number, different meaning.

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u/coring_the_stopper113 points·8 months ago

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

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u/yara_bakken78 points·8 months ago

QYB / BPC / batch 22 / PeptideMeter / 99.3% — that is the shape

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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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Oct 2023created
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Sponsored

Janoshik Analytical

Independent HPLC and mass spec. The number you get is the number they found.

janoshik.com
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GL Biochem (Shanghai)

Custom peptides and amino acids direct from the manufacturer since 1998. ISO 9001 / cGMP. Batch COA every order.

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