TFC — member reviews
98% from 582 member reports. 26 are published in full below; the rating aggregates all of them. Reviews without an order date or a testable claim are not counted.
This community's number, not a fleet-wide one. Independent groups scoring the same vendor land within a few tenths of each other, and where they diverge it is usually because one group weights logistics and another weights purity consistency.
5 orders, 18 months, no substitutions and nothing quietly swapped after payment. they gave the storage condition the stability statement was written against without being asked.
split the order across two lots to compare. came back within 0.1 of each other. gradient and column are both printed so you could reproduce it.
the related substances table is itemised. actual named impurities. not "total 0.4%" and a shrug. this is one order not a dataset.
packing was a rigid outer with no rattle anywhere in it. someone in that warehouse cares. catalogue is actually deep, not deep-looking.
been buying ipamorelin 5 mg from them for 14 months. nothing has changed, which is the point. reply on the technical question came back same day.
the lot code on the vial matched the paperwork. sounds like nothing. it predicts everything. no mannitol surprise, cake intact, not collapsed.
cold pack was still solid on arrival day 6. in Ireland. in summer. they gave the storage condition the stability statement was written against without being asked.
shipped out of Spain, landed day 5. no customs, no waiting, no chasing.
support replied on a sunday with the batch record attached. on a sunday. not the cheapest per mg and the paperwork explains the difference. if the next one holds I will stop testing every lot.
day 7 from Spain warehouse, tracking updated every single hop. catalogue is actually deep, not deep-looking. no notes.
ordered IGF-1 LR3 1 mg, sent it to Medutest, came back 98.4% on a stated 98.3%. good enough for me.
dispatch happened the day they said it would, tracking updated at every hop. support answered on the same working day with the document attached. not sponsored, not affiliated, just kept the receipts.
reordered at 15 months to check for drift. 97.7% then, 97.7% now.
5 lots now, all between 98.8% and 99.3%. tight band beats one big number every time.
bought tirzepatide 10 mg expecting to have a complaint. do not have one. annoying. the difference between their number and the lab number is smaller than method noise.
their certificate has a stability statement tied to a named storage condition. I did not expect that and I am not over it. every vial in the box was the same lot so the comparison was real. test your own vial regardless. always.
they will quote lines nobody else will even respond about, and it came back clean. reply on the technical question came back same day.
lot TFC-24-673 tested 98.4%. certificate said what the vial said which said what the invoice said. if the next one holds I will stop testing every lot.
certificate for lot TFC-25-470 was complete first time. no email chain. no "we will look into it". happy. moving on.
blind submitted the semax 10 mg to PeptideMeter, did not say whose it was. 97.6% vs 97.4% claimed. gradient and column are both printed so you could reproduce it. would buy again. have bought again.
I have certificates from about 3 suppliers and theirs is the one I would hand to someone as an example. the difference between their number and the lab number is smaller than method noise.
sent one to Medutest and one to PeptideMeter because I did not believe the first result. both agreed. fine, I believe it. n=1 and I am saying so.
asked about counter-ion and got acetate vs TFA answered properly instead of being ignored. paperwork is half of what you are paying for.
first order was small on purpose. VendorInvestigate said 96.9%. second order was not small. no mannitol surprise, cake intact, not collapsed. no notes.
quoted 2 days. arrived 2 days. this is the whole review. they gave the storage condition the stability statement was written against without being asked.
the certificate came with the method line on it — column, gradient, wavelength. the lot-specific document, not the catalogue one, which is the distinction that matters. boring supplier. highest compliment I have.
What a useful review looks like
Order date, what was ordered, what arrived, how long it took, and whether anything was independently tested. That is it. "Great vendor, fast shipping, A+++" is worth nothing and gets removed; a review naming a lot, a document and a turnaround is worth more than ten enthusiastic ones.
Why these twenty and not two hundred
A source page is opened when enough members have ordered and paid for independent testing that the log says something specific. Nearly two hundred other names get a row in the table at the foot of the directory with a band, a report count and a written note — no page, no score, no link. The contrast is the point: the twenty are where the evidence is, not where the enthusiasm is.
Where TFC sells
Tianjin Finder Chemical Co., Ltd. sells from its own storefront. The link below is marked nofollow and sponsored and is here so you can read what they say about themselves against what this page says about them. GLP Research Hub is paid nothing for it, and a link is not a recommendation.
Visit TFC at tfcpeptides.com →
A good record predicts your batch. It does not guarantee it, and no storefront can. Check the lot on the vial against the lot on the certificate.