Third-party lab testing: 26 independent Janoshik assays on file, covering 10 substances, median measured purity 99.6%, most recent test 2026-03-10.
Imperial Peptides sells direct to researchers. It lists 21 products, including Selank, Ipamorelin, GHK-Cu, BPC-157 + TB-500, Epithalon, and DSIP, plus 6 other compounds.
In its own words: “Orders placed up to and including Sunday 2nd August will be fulfilled under our normal dispatch schedule.”
Of the 12 product pages we opened, 9 state ≥99% purity and every one links its own certificate.
Prices run from £3.00 to £50.42 across 21 listed products. Payment is by bank transfer and credit card. Orders ship with Royal Mail. Quoted delivery is 7 days to United Kingdom.
Site check: 21 products listed; payment by bank transfer, credit card; ships via Royal Mail.
Imperial Peptides is listed as active. UK supplier with full batch testing: identity, HPLC purity, heavy metals, and endotoxins.
| Substance | Measured purity | Test date |
|---|---|---|
| Mt-1 10mg | 99.43% | 2026-03-09 |
| KPV 10mg | 99.23% | 2026-03-09 |
| Ss-31 10mg | 99.90% | 2026-03-09 |
| Mt-1 10mg | not reported | 2026-03-10 |
| KPV 10mg | not reported | 2026-03-10 |
| Ss-31 10mg | not reported | 2026-03-10 |
| Mt-1 10mg | not reported | 2026-03-06 |
| KPV 10mg | not reported | 2026-03-06 |
| Ss-31 10mg | not reported | 2026-03-06 |
| Tb-500 5mg | not reported | 2026-02-18 |
| Mots-c 10mg | not reported | 2026-02-18 |
| Selank 5mg | not reported | 2026-02-18 |
3 of these 12 assays report a measured purity figure. The other 9 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.
All 26 lab tests for Imperial Peptides
| Status | Active |
|---|---|
| Independent assays on file | 26 |
| Median measured purity | 99.6% |
| Certificates of analysis | Vendor states COAs are available |
| Production country | United Kingdom |
| Vendor type | Research-use supplier |
This vendor advertises ≥99%. Across 26 independent Janoshik assays of its products, median measured purity is 99.6%, most recently 2026-03-10.
These details were read from Imperial Peptides's own website on 2026-08-10. Pages consulted:
Imperial Peptides is listed as active and we hold 26 independent Janoshik assays on file, median measured purity 99.6%. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 26 third-party Janoshik assays for Imperial Peptides, covering 10 substances, with a median measured purity of 99.6%. The most recent is dated 2026-03-10.
Imperial Peptides accepts Bank Transfer, Credit Card.
Imperial Peptides uses Royal Mail.
Tested substances: KPV 10mg, Mots-c 10mg, Selank 5mg, Semax 5mg, Tesamorelin 5mg, Bacteriostatic Water 10ml.
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