WWB
Wuhan Wansheng Biotechnology Co., Ltd.
Wuhan, Hubei · China · source page added 19 Aug 2023
Buy direct from WWB at wuhanwanshengbio.com →
Their storefront, not ours. Marked nofollow and sponsored, and nobody here is paid for it.
The volume leader on this site, with 388 published Janoshik reports behind it — a public dataset large enough that you can look for patterns rather than guess at them. This community rates it second overall, and the reason is the publishing: a supplier who puts three years of third-party numbers in the open is making itself checkable in a way almost nobody else does.
- Legal name
- Wuhan Wansheng Biotechnology Co., Ltd.
- Short code
- WWB
- Also known as
- WWB, Wansheng Bio, WWBT
- Shop domain
- wuhanwanshengbio.com →
- City
- Wuhan, Hubei
- Established
- not published
- Community rating
- 97%
- Independent tests logged
- 5
Regional stock, so orders ship inside the buyer’s own country.
- Netherlands (Rotterdam) — European Union, 2-4 days
- Germany (Hamburg) — Germany, Austria, Switzerland, 2-4 days
- United Kingdom (London) — United Kingdom & Ireland, 2-3 days
- United States (California) — United States, 2-4 days
- Canada (Toronto) — Canada, 3-5 days
- Australia (Melbourne) — Australia & New Zealand, 3-5 days
- 388 published third-party test reports — the deepest public dataset of any name here
- Engages technically when a member brings a test result, with the method attached
- Credits and reships are handled directly, and the receipts get posted by the members
- Regional stock in six countries; ask which lines are held locally, because it changes both lead time and the customs question entirely
- Every lot has a batch-specific certificate with the analysis date and the method; ask for the retained-sample reference if you want to compare two lots
- Minimum order is one vial and bulk pricing starts at ten — both quoted in writing before you commit
| Date | Service | Compound | Batch | Claimed | Result |
|---|---|---|---|---|---|
| 2026-03-11 | Janoshik | Semaglutide 10mg | WWB-2603 | 98.0% | 98.2% |
| 2025-09-08 | Medutest | Tirzepatide 10mg | WWB-2509 | 98.0% | 98.1% |
| 2025-06-30 | Janoshik | Semaglutide 5mg | WWB-2506 | 98.0% | 98.4% |
| 2025-03-03 | PeptideMeter | Semaglutide 10mg | WWB-2503 | 98.0% | 98.3% |
| 2024-08-27 | Janoshik | BPC-157 10mg | WWB-2408 | 98.0% | 98.4% |
| From | To | Carrier | Days |
|---|---|---|---|
| Wuhan | UK | DHL | 9–13 |
| Wuhan | US East | EMS | 11–16 |
- 1[Vendor] QST vs WWB on the same compound, same month — both cleared 99.0%c/tirzepatide · 8.5k points · 61 comments
- 2[Vendor] WWB vs QST on the same compound, same month — both cleared 98.5%c/semaglutide · 6.3k points · 49 comments
- 3[Lab] 21th independent test on WWB — 99.6% on a claimed 99.0%, and the trend is the interesting partc/tirzepatide · 5.9k points · 28 comments
- 4[Discussion] the Janoshik advice in here is 3 years out of datec/vendorvetting · 3.7k points · 27 comments
- 5the LC-MS question that gets asked weekly, answered properlyc/hplc · 2.6k points · 24 comments
- 6[Lab] WWB BPC — Medutest came back 99.4% against a claimed 98.5%c/labresults · 2.6k points · 29 comments
- 7[Vendor] WWB order #11 — Sweden, 13 days, no drama, receipts insidec/cryptopay · 1.9k points · 36 comments
- 8why does nobody talk about tendonc/bpc157 · 1.1k points · 39 comments
- 9someone explain gradient to me like I have not read a paper in yearsc/hplc · 971 points · 41 comments
- 10genuine question about purity that I am slightly embarrassed to askc/hplc · 915 points · 39 comments
- 11[Lab] WWB tirz — Medutest came back 99.4% against a claimed 98.5%c/vendorvetting · 900 points · 40 comments
- 12[Janoshik] WWB sema 10mg — 98.6%, batch and method insidec/labresults · 873 points · 49 comments
8th order, zero drama. that is genuinely all I have to say. defaulting to them until something changes.
lot WWB-25-455 tested 99.0%. certificate said what the vial said which said what the invoice said. no mannitol surprise, cake intact, not collapsed.
reordered at 12 months to check for drift. 99.3% then, 99.3% now. no upsell attached to the answer, which I noticed because it is unusual.
been buying AOD-9604 5 mg from them for 8 months. nothing has changed, which is the point. the difference between their number and the lab number is smaller than method noise.
I asked about storage before shipping in July and they moved the dispatch to a Monday unprompted and got an actual answer, not a copy-paste. solid. that is it. solid.
the thing that sold me is peptide content being listed separately from purity. nobody does that and everybody should.
their raw tested 99.4% against a reseller vial of the same thing at 99.3%. going direct is not a vibe, it is a number. catalogue is actually deep, not deep-looking. happy. moving on.
ordered AOD-9604 5 mg, sent it to Janoshik, came back 98.2% on a stated 98.2%. good enough for me. no mannitol surprise, cake intact, not collapsed.
day 9 from the United Kingdom warehouse, tracking updated every single hop. this is one order not a dataset.
the lot code on the vial matched the paperwork. sounds like nothing. it predicts everything. customs paperwork right first time which is why it was fast. solid. that is it. solid.
custom synth quote came back realistic and then they beat the date by 3 days.
they told me about a 2 day delay before it happened. before. that is the bar and almost nobody clears it. test your own vial regardless. always.
no substitution, no upsell, and the stock position was stated before I paid. nothing in the box rattled and nothing had shifted. boring supplier. highest compliment I have.
stock said in stock. it was actually in stock. shipped same day. wild. stated purity and independent purity landed a tenth apart. this is one order not a dataset.
shipped out of France, landed day 2. no customs, no waiting, no chasing. no upsell attached to the answer, which I noticed because it is unusual. defaulting to them until something changes.
certificate for lot WWB-24-886 was complete first time. no email chain. no "we will look into it". the difference between their number and the lab number is smaller than method noise.
quoted lead time was 11 days and it landed on day 10. transit was 10 days on a lane quoted at 11. n=1 and I am saying so.
cold pack was still solid on arrival day 7. in Australia. in summer.
split the order across two lots to compare. came back within 0.1 of each other. not the cheapest per mg and the paperwork explains the difference. would buy again. have bought again.
quoted 5 days. arrived 5 days. this is the whole review.
support replied on a sunday with the batch record attached. on a sunday. no upsell attached to the answer, which I noticed because it is unusual.
9 orders, 18 months, no substitutions and nothing quietly swapped after payment. the difference between their number and the lab number is smaller than method noise. research use only, obviously.
packing was a cold pack that was still solid when the box was opened. someone in that warehouse cares. invoice and vial and cert all agree on the lot.
the related substances table is itemised. actual named impurities. not "total 0.4%" and a shrug. lines I actually reorder are the ones they keep in Germany.
sent one to PeptideMeter and one to Medutest because I did not believe the first result. both agreed. fine, I believe it. not the cheapest per mg and the paperwork explains the difference. n=1 and I am saying so.
they will quote lines nobody else will even respond about, and it came back clean. no mannitol surprise, cake intact, not collapsed.
Wuhan Wansheng Biotechnology Co., Ltd. sells from its own storefront. Read what they say about themselves against the log above, then decide.
Go to the WWB store — wuhanwanshengbio.com →
Check the lot on the vial against the lot on the certificate when it arrives. A good record predicts your batch; it cannot guarantee it, and no storefront can.