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ForumsCOA & Analytical TestingCOA red flag compilation — what worked for you? Page 2

COA red flag compilation — what worked for you?

Dr.PathRoch Wed, Feb 18, 2026 at 8:28 AM 28 replies 1,232 viewsPage 2 of 6
Dr.GutHealth
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Feb 18, 2026 at 2:32 PM#6

The figures, for anyone assembling their own picture. The four things to check on any report, in order: does it name your batch, who commissioned it, what method was used, and does it report content as well as purity. A report failing any of those is weak evidence regardless of the percentage on it.

Last edited: Feb 18, 2026 at 7:32 PM
44 14VanRx_Mike, steve_okc, dave_SLC and 41 others
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traveltech_sara
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Feb 18, 2026 at 4:55 PM#7

One thing that is still open after Dr.SportsMedIN’s answer:

What a vetting checklist should actually contain, as opposed to a list of things that are easy to fake?

Last edited: Feb 18, 2026 at 7:55 PM
43 13LarryQC_SD, wanda_boise, NurseAsh_DET and 40 others
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VanRx_Mike
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Feb 18, 2026 at 7:18 PM#8
Dr.GutHealth said:
The four things to check on any report, in order: does it name your batch, who commissioned it, what method was used, and does it report content as…

Adding the part of the answer the thread has not reached. The provenance questions are more useful than the numbers. Does the report name the batch on your vial. Is the date consistent with when that batch existed. Is it addressed to the vendor or to the person who paid for the test. Was the sample taken from general stock or supplied by the vendor. A perfect certificate for a different batch is worth nothing, and vendor-supplied samples are the most common way a genuine report ends up misleading.

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Dr.PathRoch
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Feb 18, 2026 at 9:41 PM#9

OP back with an update, since a thread like this is useless without one.

Went back through my own correspondence with an earlier supplier and the warning signs were all there in the replies, weeks before the quality changed. I was reading the product and not the behaviour.

41 11SaraMom3, Dr.MetabolicMD, RetaRick_CA and 38 others
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DataDave
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Feb 19, 2026 at 9:09 AM#10
VanRx_Mike said:
The provenance questions are more useful than the numbers.

Right, and one flattering data point from a group buy is not consistency. Consistency means separate batches, separately commissioned, over months.

Ask again with the specifics and you will get a better answer than this one.

5 3Dr.GutHealth, amsterdam_pete, LondonLisa and 2 others
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