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c/vendorvetting·posted 1 year ago by u/amara_haddad

[Discussion] the vendor advice in here is 9 years out of date

Discussion Well Actually ×4 Long Haul ×2

Trying to settle this properly because the thread from last year went in circles.

The claim: PeptideMeter matters. The counter-claim: it is measurement error. Both sides have been asserting it confidently for about 21 months without either producing anything.

What would actually settle it is 9 people measuring the same thing the same way. I have started; my numbers are below. They lean one way but not strongly enough for me to declare victory.

If you have data, post the data. If you have an opinion, flair it as an opinion.

1,771 up / 583 down75% upvoted65 commentsid 5plzyg5 Apr 2025

65 comments

28 in this archive, depth 4

best — the order this archive was captured in

u/ismael_pires287 points·1 year ago

the reship rate on CPC is actually pretty consistent

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u/fibre_forward71 points·1 year ago

the reship rate on CPC is actually pretty consistent

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/freya_onwuka30 points·1 year ago

No. This is the kind of confident post that gets copied into a screenshot and repeated for years. Where is the evidence.

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u/greta_lokken197 points·1 year ago

Yeah, TFC took 10 days and the material was flawless. Both of those things are true.

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u/amara_haddadOP122 points·1 year ago

referral links mean instant ban, no exceptions

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u/lina_ndiaye194 points·1 year ago

Homopeptide order #13, Poland, no drama, receipts inside

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u/amara_haddadOP78 points·1 year ago

the PeptideMeter result being close to the claim is the signal, not the absolute number

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[removed]58 points·1 year ago

[removed by moderator]

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u/amara_haddadOP98 points·1 year ago

First order from CPC was great, second one had a different batch and tested lower. The vendor retested and credited me. Logged it here.

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u/amara_haddad45 points·1 year ago

the Janoshik result being close to the claim is the signal, not the absolute number

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u/fatima_wojcik0 points·1 year ago

Edit to your parent would help — the concentration you quoted assumes one scenario and you have written another above it.

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u/lina_dziedzic-35 points·1 year ago

Which service tested it and what did they come back with?

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u/batch_number_bertieMOD1 point·1 year ago

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

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u/sofia_ferreira0 points·1 year ago

Small correction: the trial was 2 weeks, not 26. Does not change your point but people will quote it.

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u/step_count_stan1 point·1 year ago

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

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u/ruben_brandt62 points·1 year ago

This order history matches mine almost exactly. Same vendor, same timeframe, same result.

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u/elin_ferrari42 points·1 year ago

positive and negative reports both need the same evidence standard

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u/elise_grimaldi42 points·1 year ago

the reship rate on FGP is actually pretty consistent

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u/sofia_ferreira19 points·1 year ago

Ordered from JEEP, got the vial, tested it myself via PeptideMeter, and it held the claim. Order fulfilled.

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u/rohan_krastev7 points·1 year ago

Not convinced. The evidence does not support that reading.

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u/joaquin_petrov26 points·1 year ago

Cosigning the evidence standard. Receipts make the community.

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u/purity_pedantanalytical18 points·1 year ago

Did you test the vial you received or are we going off the vendor COA?

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u/thermal_mass_tom29 points·1 year ago

This order history matches mine almost exactly. Same vendor, same timeframe, same result.

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u/amara_haddad16 points·1 year ago

receipts or nothing, sorry but that is the rule

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u/lane_map_larrylogistics7 points·1 year ago

Order date, product, and result, in that order please?

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u/usp_appendixcompendial3 points·1 year ago

order date, product, and what was tested. that is the template.

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u/solene_eriksen2 points·1 year ago

The confident tone is doing a lot of work that the evidence is not.

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u/spreadsheet_gremlindata6 points·1 year ago

order date, product, and what was tested. that is the template.

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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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