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c/labresults·posted 1 year ago by u/kenji_kimani

someone explain batch to me like I have not read a paper in years

Lab

Confession thread, sort of.

I went from 1.0mg to 15mg much faster than I should have because the scale had stalled and I got impatient. The stall broke about 5 weeks later, at which point I had no way of knowing whether the dose increase did anything or whether it would have broken anyway.

So now I have muscle cramps I did not need and a data point I cannot interpret. Two lessons in one.

Posting it in the hope that somebody at week 83 reads it before doing the same thing.

332 up / 369 down47% upvoted14 commentsid 1q730f3 Mar 2025

14 comments

14 in this archive, depth 6

best — the order this archive was captured in

u/usp_appendixcompendial7 points·1 year ago

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

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u/rina_bergstrom3 points·1 year ago

Disagree. What you are describing is consistent with batch, not with what you concluded.

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u/marisol_moreau1 point·1 year ago·edited

Small correction: the trial was 16 weeks, not 32. Does not change your point but people will quote it.

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u/rina_bergstrom1 point·1 year ago

Disagree. What you are describing is consistent with batch, not with what you concluded.

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u/kenji_kimaniOP-8 points·1 year ago

below-spec results get logged, not dismissed

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u/enzo_fonseca1 point·1 year ago

below-spec results get logged, not dismissed

Adding to this: test results is doing more work than the comment implies.

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u/saskia_mwangi1 point·1 year ago·edited

the 95.1% result confirmed the vendor claim, that is the signal

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u/medutest_mel4 points·1 year ago

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

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u/priya_ogunleye5 points·1 year ago

Small correction: the trial was 19 weeks, not 40. Does not change your point but people will quote it.

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u/cold_chromatogram_only3 points·1 year ago

Small correction: the trial was 19 weeks, not 40.

Disagree on that part. 93.7% and 99.3% on the same vial is normal.

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u/medutest_melMOD6 points·1 year ago

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

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u/milos_trevino7 points·1 year ago

Strongly agree. Below-spec results matter as much as good ones.

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u/kenji_kimaniOP4 points·1 year ago

JEEP claimed 96.2%, Janoshik came back 94.2%. 16 points is inter-lab variance, no drama.

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u/kenji_kimaniOP4 points·1 year ago

sample of one, say so

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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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Janoshik Analytical

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

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

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