20 categories

Sourcing

Supplier documentation, independent verification, red flags, logistics, payments and the regulatory picture. Maintained as documentation, not as recommendations.

140 topics6,877 posts43 solved Moderators: dr_okonkwo, t.vasquez About this category

Vendor reports 26 Independent verification 26 Red flags 24 Logistics 24 Payments 18 Regulatory 22

140 topics · page 2 of 5

Topic	Participants	Replies	Views	Activity
The report format the maintainers ask for, and why each field is there Sourcing › Vendor reports disputed documentation quality batch & lot numbers certificate of analysis Solved On the subject in the title: The report format the maintainers ask for, and why each field is there Working notes rather than a conclusion. Structured report rather than an opinion, following the format the…		4	6.3k	1d
Follow-up: How compounding permissions changed when supply normalised Sourcing › Regulatory MHRA personal import research use only How compounding permissions changed when supply normalised I have a specific reason for asking rather than idle curiosity, and the context is below. Structured report rather than an opinion, following the…	+72	77	1.5k	1d
[2026 update] Regional warehouse stock versus direct despatch Sourcing › Logistics packaging customs shipping cold chain Regional warehouse stock versus direct despatch Writing it up because I had to work it out twice and would rather nobody else did. A logistics question, since the answers here are usually better than anywhere…	+135	147	32k	2d
Why chargeback is not the safety net people assume Sourcing › Payments research use only payments documentation quality Solved Asking directly, because I could not find a straight answer: Why chargeback is not the safety net people assume A logistics question, since the answers here are usually better than anywhere else I have…	+22	26	2.5k	2d
[2026 update] A report I filed that turned out to be wrong, and the correction Sourcing › Vendor reports batch & lot numbers third-party testing documentation quality certificate of analysis On the subject in the title: A report I filed that turned out to be wrong, and the correction Working notes rather than a conclusion. Structured report rather than an opinion, following the format the…	+15	19	18k	2d
Batch numbers that do not match the vial label Sourcing › Red flags mislabelling disputed moderation underdosing Solved Batch numbers that do not match the vial label — setting out what I have, and where I think it stops being reliable. I would like to talk about documentation quality as a signal, separately from product…	+43	48	8.9k	2d
Coming back to: Payment method and the leverage it gives you, ranked Sourcing › Payments payments documentation quality research use only Payment method and the leverage it gives you, ranked — setting out what I have, and where I think it stops being reliable. Structured report rather than an opinion, following the format the maintainers asked…	+21	26	43k	2d
[2026 update] Currency conversion and the cost you did not see Sourcing › Payments research use only payments documentation quality Solved Posting this under the heading it deserves: Currency conversion and the cost you did not see Everything below is what sits behind that. A logistics question, since the answers here are usually better than…	+21	26	52k	2d
Prescription requirements and telehealth models — a second dataset Sourcing › Regulatory compounding EMA MHRA personal import On the subject in the title: Prescription requirements and telehealth models — a second dataset Working notes rather than a conclusion. A logistics question, since the answers here are usually better than…	+87	94	1.1k	21d
Batch numbers that do not match the vial label — what changed since Sourcing › Red flags underdosing documentation quality disputed moderation Solved On the subject in the title: Batch numbers that do not match the vial label — what changed since Working notes rather than a conclusion. A logistics question, since the answers here are usually better than…	+39	43	14k	1mo
A parcel stationary at a customs facility for nine days Sourcing › Logistics customs packaging cold chain temperature excursion On the subject in the title: A parcel stationary at a customs facility for nine days Working notes rather than a conclusion. A logistics question, since the answers here are usually better than anywhere else…	+64	72	51k	1mo
A parcel stationary at a customs facility for nine days — does this still hold? Sourcing › Logistics temperature excursion packaging cold chain customs Solved The question in the title: A parcel stationary at a customs facility for nine days — does this still hold? I will give what I have already checked below so nobody repeats it. A logistics question, since the…	+23	27	12k	1mo
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — does this still hold? Sourcing › Independent verification PeptideMeter VendorInvestigate third-party testing Janoshik Analytical Asking directly, because I could not find a straight answer: How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — does this still hold? Structured report rather than an opinion, following the…	+24	28	8k	1mo
Documenting a payment dispute without naming and shaming — the long version Sourcing › Payments documentation quality payments research use only Posting this under the heading it deserves: Documenting a payment dispute without naming and shaming — the long version Everything below is what sits behind that. I would like to talk about documentation…		2	32k	1mo
A certificate whose chromatogram axes do not match its stated method — one year on Sourcing › Red flags mislabelling moderation documentation quality Solved A certificate whose chromatogram axes do not match its stated method — one year on Writing it up because I had to work it out twice and would rather nobody else did. Structured report rather than an opinion,…	+103	111	8.1k	2mo
Labelling requirements for research chemicals — the long version Sourcing › Regulatory MHRA research use only compounding personal import Posting this under the heading it deserves: Labelling requirements for research chemicals — the long version Everything below is what sits behind that. I would like to talk about documentation quality as a…		2	1.8k	2mo
Documenting a payment dispute without naming and shaming Sourcing › Payments documentation quality research use only payments Documenting a payment dispute without naming and shaming — setting out what I have, and where I think it stops being reliable. I would like to talk about documentation quality as a signal, separately from…	+5	9	9.8k	2mo
Blind submission and why it changes minds — the long version Sourcing › Independent verification Medutest third-party testing Janoshik Analytical Posting this under the heading it deserves: Blind submission and why it changes minds — the long version Everything below is what sits behind that. Structured report rather than an opinion, following the…	+98	113	18k	2mo
Revisiting: Patterns that reliably precede a problem, documented Sourcing › Red flags underdosing moderation mislabelling documentation quality Posting this under the heading it deserves: Revisiting: Patterns that reliably precede a problem, documented Everything below is what sits behind that. A logistics question, since the answers here are usually…	+16	20	36k	2mo
Currency conversion and the cost you did not see Sourcing › Payments payments research use only documentation quality Currency conversion and the cost you did not see — setting out what I have, and where I think it stops being reliable. Structured report rather than an opinion, following the format the maintainers asked for.…		2	44k	2mo
How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — a second dataset Sourcing › Independent verification Janoshik Analytical blind sampling PeptideMeter VendorInvestigate Solved How Janoshik, Medutest, PeptideMeter and VendorInvestigate differ — a second dataset I have a specific reason for asking rather than idle curiosity, and the context is below. A logistics question, since the…	+42	46	46k	2mo
Second pass at: Why chargeback is not the safety net people assume Sourcing › Payments documentation quality research use only payments Solved Second pass at: Why chargeback is not the safety net people assume Writing it up because I had to work it out twice and would rather nobody else did. A logistics question, since the answers here are usually…		2	25k	3mo
Temperature indicator cards: worth asking for? Sourcing › Logistics customs packaging temperature excursion shipping Asking directly, because I could not find a straight answer: Temperature indicator cards: worth asking for? Structured report rather than an opinion, following the format the maintainers asked for. Compound:…	+2	6	116	3mo
Second pass at: What "verified" means on our vendor pages, stated narrowly Sourcing › Vendor reports Janoshik Analytical documentation quality third-party testing batch & lot numbers Solved Second pass at: What "verified" means on our vendor pages, stated narrowly — setting out what I have, and where I think it stops being reliable. A logistics question, since the answers here are usually better…	+94	102	20k	3mo
Why this community will not facilitate a group purchase Sourcing › Payments documentation quality payments research use only Asking directly, because I could not find a straight answer: Why this community will not facilitate a group purchase A logistics question, since the answers here are usually better than anywhere else I have…		2	40k	3mo
[2026 update] What a purity-only report leaves out Sourcing › Independent verification PeptideMeter third-party testing Janoshik Analytical The question in the title: What a purity-only report leaves out I will give what I have already checked below so nobody repeats it. Structured report rather than an opinion, following the format the…	+97	103	5.2k	3mo
A payment that went through twice: how it was resolved Sourcing › Payments payments research use only documentation quality Solved Closed A payment that went through twice: how it was resolved Writing it up because I had to work it out twice and would rather nobody else did. I would like to talk about documentation quality as a signal,…	+20	24	55k	3mo
Turnaround times and what they mean for a decision Sourcing › Independent verification PeptideMeter Medutest Janoshik Analytical VendorInvestigate Turnaround times and what they mean for a decision Writing it up because I had to work it out twice and would rather nobody else did. A logistics question, since the answers here are usually better than…		4	29k	3mo
Why a compound being unapproved is not the same as being illegal to possess Sourcing › Regulatory FDA MHRA research use only EMA Why a compound being unapproved is not the same as being illegal to possess I have a specific reason for asking rather than idle curiosity, and the context is below. Structured report rather than an opinion,…	+72	78	23k	3mo
Choosing which test to pay for, given a fixed budget Sourcing › Independent verification third-party testing VendorInvestigate Medutest Janoshik Analytical On the subject in the title: Choosing which test to pay for, given a fixed budget Working notes rather than a conclusion. I would like to talk about documentation quality as a signal, separately from product…	+60	70	49k	3mo