Research Vendor

UKMAXX

Name: UKMAXX — lab testing record
Creator: PeptideBase
License: https://peptidebase.io/methodology

Online VendorUnited Kingdomukmaxx.co.uk ↗

4 compounds tested

Visit vendor site ↗Jump to lab record

COAs on file: 4
Independently confirmed: 0
Median purity: 99.75%
At or above market: 2/3
Most recent: 29 Jul

ukmaxx.co.uk · registry record not yet fetched · first indexed by us 26 Aug 2026 · listing active

Research use only. This vendor supplies peptides for laboratory and research purposes — not for human consumption or therapeutic use. PeptideBase does not endorse or guarantee product quality. Verify third-party lab testing before any research use.

Vendor's own wordPublishes 2 of 6 disclosure signals — 1 document-backed, 1 vendor-stated · checked 1 Sept 2026

Vendor-supplied · Not verified by PeptideBase

What this vendor publishes about itself, repeated here. Disclosure is not verification; only independent lab results change that.

4 certificates on file, all self-published by the vendor. Median purity 99.75%, against 99.68% across all 928 certificates we score. Two of three compounds test at or above their market median. The exception is a Retatrutide lot at 99.22% — 0.51 points below the 99.73% median for that compound.

Where this evidence comes from

4 self-published: COAs the vendor posted on their own site.

Purity vs market

Every certificate, placed against the median for its own compound across all 928 results we score.

2 of 3 results sit within ±0.4 points of their market median.

Lab-sourcedSelf-published

1 further result is not plotted — no purity figure, or too few market results for that compound to compare against. They appear in the table below.

Lab testing record

Every COA we hold for UKMAXX.

How these certificates can be checked

Of the 4 certificates we hold for UKMAXX:

4No lookup reference on the report

					Panel	Source	Reference
NAD+	Janoshik Analytical	29 Jul 26	—	no purity figure	—	Self-published	View COA ↗
Janoshik Analytical publishes a report lookup. This certificate does not carry a reference we can use with it.
GHK-Cu	Janoshik Analytical	28 Jul 26	99.80%	+0.01	—	Self-published	View COA ↗
Janoshik Analytical publishes a report lookup. This certificate does not carry a reference we can use with it.
BPC-157	Janoshik Analytical	27 Jul 26	99.75%	+0.03	—	Self-published	View COA ↗
Janoshik Analytical publishes a report lookup. This certificate does not carry a reference we can use with it.
Retatrutide	Janoshik Analytical	22 Jun 26	99.22%	−0.51	—	Self-published	View COA ↗
Janoshik Analytical publishes a report lookup. This certificate does not carry a reference we can use with it.

4 certificates

The lab behind these results

Janoshik Analytical

Self-published

Results: 4
Median: 99.75%
Window: Jun–Jul

All recognised labs →969 certificates scored · 42 vendors

In the vendor's own words

Written by the vendor · Not verified by PeptideBase

UKMAXX is a United Kingdom online vendor supplying lyophilised research peptides and related laboratory supplies for research use only, shipping within the UK. It names Janoshik Analytical as its testing laboratory and publishes a batch-level certificate index, which includes a record for one batch it rejected at internal QC and did not release.

#Testing disclosure

Publishes COAsVendor-stated: Yes
COA accessVendor-stated: Published on the vendor’s website
Last observedOur record: 1 Sept 2026
Batch numbers shownOur record: Yes

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Profile last updated September 1, 2026

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Free to reference and republish with attribution to PeptideBase. Choose a format:

PeptideBase. (2026). UKMAXX — Research Vendor Profile. Retrieved September 11, 2026, from https://peptidebase.io/research-vendors/ukmaxx

https://peptidebase.io/research-vendors/ukmaxx Methodology License Download JSON