Cheapest Semax Prices UK

We track Semax (5mg) pricing across every supplier in the CheckALab rankings. Prices below are indicative sample figures for comparison only — always confirm on the supplier's own site. Research use only.

£25

Lowest tracked

£35

Median price

5mg

Typical vial

14

Suppliers compared

Semax price comparison

#SupplierPricePer mgStockDeliveryVerified
1Kensington Labskensingtonlabs.co.uk£25Lowest£5In stockFree UK tracked over £100✓ ID verified
2Bioluxe Analyticsbioluxeanalytics.com£30£6In stock£4.95 UK trackedNot verified
3Zenith Bio Labszenithbiolabs.com£32£6.4Low stockFree UK tracked over £100Not verified
4Cannox Labscannoxlabs.com£32£6.4In stock£4.95 UK tracked✓ ID verified
5Rituals Genomicsritualsgenomics.com£33£6.6In stock£4.95 UK tracked✓ ID verified
6Squire Bio Centersquirebiocenter.com£35£7Low stockFree UK tracked over £100✓ ID verified
7Pure Peak Peptidespurepeakpeptides.com£35£7In stock£4.95 UK tracked✓ ID verified
8Matrix Researchmatrixresearch.co£35£7Low stockFree UK tracked over £100Not verified
9Planet Bio Labsplanetbiolabs.com£36£7.2In stock£4.95 UK trackedNot verified
10Luminex Research Centerluminexresearchcenter.com£36£7.2In stock£4.95 UK tracked✓ ID verified
11Rexha Researchrexharesearch.com£37£7.4In stockFree UK tracked over £100✓ ID verified
12Biovanta Researchbiovantaresearch.com£38£7.6In stock£4.95 UK tracked✓ ID verified
13Molecushift Institutemolecushiftinstitute.com£40£8In stockFree UK tracked over £100Not verified
14Biovanta Research (IE)biovantaresearch.irish£42£8.4In stockFree UK tracked over £100✓ ID verified

About Semax

Semax is a synthetic analogue of ACTH 4-10 with the hormonal activity removed, registered as a medicine in Russia and studied there in ischaemic stroke and cognitive function, with a body of literature largely inaccessible in English.

Its close relative Selank shares the same research tradition, and the two are often stocked and confused together.

What moves the Semax price

Three things move the Semax price you see in the table above: how much active material a 5mg vial actually contains once excipients and salt content are accounted for, whether the supplier funds independent analysis on every batch rather than once a year, and how the vial is packed and shipped. N-acetylated and plain variants are both sold as Semax, and they are not the same product. Compare price per milligram rather than price per vial, and discount any listing whose certificate is undated, unsigned, or tied to a different batch number than the one on the label.

How we independently rank every supplier

Every supplier in this table is scored independently, and no vendor can pay to appear, move up, or have a poor result removed. We build a score out of ten from four weighted inputs: published third-party analytical documentation and how completely it covers the catalogue, identity verification of the company behind the website, the volume and consistency of moderated customer reviews collected through CheckALab, and operational signals such as dispatch reliability, stock accuracy and complaint handling.

For Semax specifically we weight the documentation input according to how the compound fails: n-acetylated and plain variants are both sold as Semax, and they are not the same product. Suppliers publishing analysis that addresses that point score higher than suppliers publishing a headline purity figure alone. Reviews only count once they clear moderation, and no single review can move a score, so a burst of unusually positive or negative feedback cannot reposition a supplier. Scores are recalculated as new certificates, reviews and delivery data arrive.

How to buy Semax cheaply without cutting corners

The lowest headline price is rarely the best value. Compare price per mg rather than price per vial, check whether a batch-matched certificate of analysis is published, and factor in delivery. A cheap vial with no third-party testing behind it is not a saving.

Kensington Labs currently sits at the top of this table at £25 for a 5mg vial, and holds a CheckALab score of 9.43/10.

Frequently asked

How much does Semax cost in the UK?

Tracked prices run from about £25 to £35 for a 5mg vial, depending on supplier, batch and purity documentation.

Is the cheapest Semax always worth buying?

No. Prioritise suppliers with published third-party certificates and ID verification, then compare price per mg between those.

Are these prices live?

They are indicative sample figures used for comparison on this demonstration site. Always check the supplier's own listing before ordering.

Other price guides

For laboratory research use only. Not for human or veterinary use. Nothing on this page is medical advice.