ERP — member reviews
90% from 840 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.
their certificate has mass-spectrometric identity alongside the chromatographic purity. I did not expect that and I am not over it. invoice and vial and cert all agree on the lot. happy. moving on.
quoted lead time was 11 days and it landed on day 10. the purity figure is stated by RP-HPLC with the wavelength named. happy. moving on.
cold pack was still solid on arrival day 4. in Germany. in summer. no upsell attached to the answer, which I noticed because it is unusual.
day 3 from the Netherlands warehouse, tracking updated every single hop. reply on the technical question came back same day. if the next one holds I will stop testing every lot.
the thing that sold me is peptide content being listed separately from purity. nobody does that and everybody should. they gave the storage condition the stability statement was written against without being asked. not sponsored, not affiliated, just kept the receipts.
sent one to Medutest and one to PeptideMeter because I did not believe the first result. both agreed. fine, I believe it. they flagged the delay in advance instead of after.
no substitution, no upsell, and the stock position was stated before I paid. the purity figure is stated by RP-HPLC with the wavelength named. boring supplier. highest compliment I have.
I have certificates from about 10 suppliers and theirs is the one I would hand to someone as an example. catalogue is actually deep, not deep-looking.
packing was each vial wrapped separately with foam cut to fit. someone in that warehouse cares. no upsell attached to the answer, which I noticed because it is unusual.
reconstituted the ipamorelin 5 mg and it went clear instantly. no haze. you can tell straight away when it has been done properly. stated purity and independent purity landed a tenth apart. not sponsored, not affiliated, just kept the receipts.
split the order across two lots to compare. came back within 0.1 of each other. they gave the storage condition the stability statement was written against without being asked. solid. that is it. solid.
stock said in stock. it was actually in stock. shipped same day. wild. every vial in the box was the same lot so the comparison was real. would buy again. have bought again.
ordered CJC-1295 2 mg, sent it to Medutest, came back 98.4% on a stated 98.3%. good enough for me. paperwork is half of what you are paying for.
their raw tested 99.0% against a reseller vial of the same thing at 99.1%. going direct is not a vibe, it is a number. catalogue is actually deep, not deep-looking.
asked three questions in one email and got three numbered answers back. transit was 10 days on a lane quoted at 13. boring supplier. highest compliment I have.
been buying GHK-Cu 50 mg from them for 14 months. nothing has changed, which is the point.
weighed 8 vials against label out of curiosity. all within 2%. fill consistency is underrated. test your own vial regardless. always.
they will quote lines nobody else will even respond about, and it came back clean. they flagged the delay in advance instead of after.
asked a method question and got a method answer with no sales copy attached. lot ERP-26-478 was fine on test and the trace was clean at the baseline. defaulting to them until something changes.
I asked for a second certificate for a lot bought eight months earlier and they found it and got an actual answer, not a copy-paste. catalogue is actually deep, not deep-looking. boring supplier. highest compliment I have.
they told me about a 3 day delay before it happened. before. that is the bar and almost nobody clears it. no upsell attached to the answer, which I noticed because it is unusual.
reordered at 12 months to check for drift. 98.9% then, 98.9% now. reply on the technical question came back same day. no notes.
7th order, zero drama. that is genuinely all I have to say.
custom synth quote came back realistic and then they beat the date by 4 days. defaulting to them until something changes.
ordered BPC-157 5 mg and the fill weights across the box were within 2%. lot ERP-25-443 came back 98.5% on a stated 98.0%. not sponsored, not affiliated, just kept the receipts.
10 orders, 6 months, no substitutions and nothing quietly swapped after payment. catalogue is actually deep, not deep-looking.
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 ERP sells
Shanghai ERP Biotechnology 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 ERP at erpbiotechnology.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.