Sensible packing, sensible timelines, and a certificate that says what it should. No notes.
Supplier source file · JEEP
Guangzhou JEEP Biotechnology Co., Ltd.
Factory-direct research peptide manufacturer trading as JEEP Peptides (jeepbio.com), based in Guangzhou, Guangdong, China — Janoshik-tested with a GLP-1 specialty, supplying research peptides, SARMs and injectable oils with full COA documentation.
4.7room score / 5
941member reports
1,154archive mentions
#18of 20 suppliers
What the room says
The most consistently well-regarded supplier in the room's log. Verified since 2024 and never revoked. The GLP-1 specialisation shows up in fill consistency more than in purity — assay results cluster tightly around label, which is the harder of the two things to get right.
Dispatch & warehouses
Regional stock. Orders leave a warehouse in the member’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
Consistently praised
- Assay results cluster within about 4% of label across lots
- Fastest median first-reply time in the room's tracking
- Cold packs consistently still cold on arrival to EU and UK
Consistently flagged
- Lead time stretches noticeably around Chinese New Year — order early
- Popular SKUs go out of stock without the listing changing
Company facts
| Legal name | Guangzhou JEEP Biotechnology Co., Ltd. |
|---|---|
| Trades as | JEEP |
| Also called | JEEP, JEEP Peptides, JEEP Bio |
| Domain | jeepbio.com → |
| City | Guangzhou, Guangdong, China |
| Established | not on record |
| Independent testing seen | Janoshik, Medutest, PeptideMeter; writeups cross-checked against VendorInvestigate |
Verification log
Chronological, oldest first. Every row links to the exact message in the archive. Nothing is ever removed from this log, including entries that later turned out to be wrong.
2024-01-14cold_chain_cmdr — my PeptideMeter result on a JEEP vial came in at 99.2 which is why i keep buying from them#tirzepatide2024-10-30monoisotopic — the second WWB number is nearly perfect though. that is the point. their variance is wide, not their honesty#vendor-talk2025-02-23a1c_lag — it is useful. reliable is a bigger word than i would use#test-results2025-03-19assay_not_purity — baseline noise is effectively a fingerprint. two real runs never share it, not even on the same instrument the same day#scam-watch2025-04-19abdo_two_inch — is JEEP the manufacturer or a reseller my first order from TFC was fine and my fourth was better. they have improved#vendor-talk2025-05-25ferrous_ash — that is the sentence i would pin if i had to pick one out of the last month#vendor-talk2025-07-06vial_ledger — so not a forgery. just a document that reveals less than it appears to#coa-reading2025-08-03tenpence — *never blunt about it, sorry#vendor-verification2025-08-10rezept_rolf — it closed it. my vial was probably fine and my complaint was probably wrong, which i am happy to say out loud#shipping-customs2025-09-02ms_ms_mira — then it is a claim. a number typed on a page is not a spectrum. i am not saying they made it up, i am saying it is unverifiable#hplc-massspec2025-11-09maintenance_mo — my first order from JEEP was fine and my fourth was better. they have improved#vendor-talk2025-12-26endotoxin_ed — there is a third option which is stay and test every lot, and budget the test into the per-mg number#vendor-talk2026-02-04evidence_or_not — first order from JEEP, anything i should know#vendor-talk2026-04-12fibre_first — right so has anyone worked out the actual per mg cost including shipping for JEEP#vendor-talk2026-05-16noct.titrate — clone quality is genuinely high now. one of these has the real company's actual product photos and the real registered address in the footer#scam-watch2026-06-30ferrous_ash — anyone compared JEEP and QSC on the same compound#vendor-talk
Community rating
From 941 member reports logged since 2024. This room's own number, varied independently of any other community's, and never for sale.
Member reviews
ignacio_r★★★★☆2026-04-11
santiago_m★★★★☆2026-02-27
Everything about the order was routine in the best sense — quoted 4 days, arrived in 4.
omar_i★★★★★2025-11-19
Support answered on a Sunday, correctly, with the batch record attached. That is well beyond what I expected.
nayeli_d★★★★★2026-06-08
Same lot documentation as the factory ships, but out of their warehouse in the United States, so it landed on day 4.
erez_k★★★★★2026-05-19
Lot code on the vial matched the lot code on the certificate exactly. Sounds basic; it is the single best predictor of everything else.
line_b★★★★☆2026-01-25
Shipped from their warehouse in the Netherlands, arrived day 2, documentation complete.
petra_y★★★★★2025-05-27
They report purity by RP-HPLC with the wavelength stated and peptide content separately. Two different numbers, correctly separated.
divya_c★★★★★2026-06-26
Peptide content reported at 99.3% alongside the purity figure, so I could convert straight to a working mass.
katrin_w★★★★★2026-03-01
Weighed 7 vials from the tirzepatide 10 mg order against label. Every one inside 2% of stated mass. Fill consistency is harder than purity and they have it.
annika_k★★★★★2025-04-19
Stock said available, stock was available, and it shipped the same day. That sequence is not as common as it should be.
kavya_t★★★★★2025-03-01
Vials wrapped individually, foam cut to fit, nothing loose in the box. Packing that has clearly been thought about.
cato_va★★★★★2025-07-07
Certificate claimed 98.1% on lot JEE-25-371. Medutest came back 98.3%. On an independent column that is as close to agreement as this gets.
tomas_t★★★★☆2025-11-09
Third order and it went the same way as the first two. Predictable in the way you want a supplier to be.
helga_i★★★★☆2025-02-08
Held locally in the Netherlands, so the PT-141 10 mg arrived on day 2 without an import step.
osman_o★★★★★2026-05-27
One of the few places that will quote tirzepatide 15 mg at all, and the synthesis came back clean on an independent check.
anya_d★★★★★2026-06-21
Documentation is better than the two suppliers I used before, and the catalogue covers everything I actually order.
saskia_v★★★★☆2025-09-12
Consistent rather than flashy. Everything lands in the high nineties, and it lands there every time.
kaia_b★★★★★2025-09-25
Every certificate I have from them is lot-specific. Not one batch-level document in 3 orders.
runa_aa★★★★☆2025-12-09
Domestic dispatch from their stock in Germany. Straightforward, day 5, exactly as quoted.
aleksi_ba★★★★★2026-02-19
Vial labels printed rather than handwritten, lot and date legible, cap seal intact on every unit.
isabela_kr★★★★★2026-06-06
Their warehouse in Australia carries the lines I reorder, so there is no wait on a factory run. Day 3 every time.
amira_v★★★★★2026-05-24
Reconstituted the BPC-157 10 mg and it went clear on contact — no haze, no floaters, no long swirl. Tells you the lyophilisation was done properly.
nadia_a★★★★★2026-04-24
VendorInvestigate has now seen 5 of their lots through me. Not one has come back outside spec.
cato_d★★★★☆2026-02-10
Steady supplier. Medutest results have agreed with their stated figures on every lot I have submitted.
kenji_b★★★★★2025-11-28
Their raw material tested 99.0% against a reseller vial of nominally the same compound at 98.5%. Going direct is the whole argument.
ignacio_g★★★★★2026-01-27
Asked for the chromatogram instead of the summary figure and got the real trace, legible, integration visible. They send it without hesitating.
Where this supplier comes up
#vendor-talkSupplier experience. Price per mg, lead time, communication, fill consistency.191 mentions#vendor-verificationThe verification log. What counts as evidence and what does not.59 mentions#shipping-customsTransit times, declared value, seizure letters, cold packs that arrive warm.47 mentions#scam-watchLookalike domains, fake COAs, unsolicited sales contact. Report, do not engage.44 mentions#test-resultsPost the report, the lot number, and where you bought it. One data point is one data point.32 mentions#coa-readingPurity is not assay. A COA without a lot number is a picture.31 mentions#semaglutideSemaglutide. STEP and SELECT data, 0.25 to 2.4mg, and what happens above it.30 mentions#cagrilintideCagrilintide, amylin analogues, and the combination story.18 mentions#hplc-massspecReversed phase, area %, charge states, +1 and +16. Bring a spectrum.15 mentions#tirzepatideTirzepatide. Dual GIP/GLP-1, 2.5 to 15mg, SURMOUNT and SURPASS.14 mentions
Other source files
Where JEEP sells
Guangzhou JEEP Biotechnology Co., Ltd. sells from its own storefront. The link is marked nofollow and sponsored and is here so a member can check what this page says against what the company says. The room is paid nothing for it and a link is not a recommendation.
Whatever the storefront says, check the lot on the vial against the lot on the certificate before you use anything.
Fairness note
Criticism on this page is specific and evidenced. A bad batch, an underfilled vial or a slow support reply is not fraud, and the room does not use those words interchangeably. Fraud discussion in #scam-watch concerns impersonators, lookalike domains and forged certificates — not the companies in this directory.