Where to Buy Semax in the UK
Semax is a synthetic heptapeptide developed as an ACTH-fragment analogue. Researchers comparing Semax peptide suppliers in the UK should check the batch certificate for the vial size they select: the 5mg and 10mg formats have different batches. This guide covers the compound, the two research vial sizes and what to check on their product pages.
What is Semax?
Semax is a synthetic heptapeptide derived from a fragment of adrenocorticotropic hormone (ACTH 4-10). Research literature has examined its activity in models of BDNF expression, neuroprotection and dopaminergic signalling. Semax is supplied as a lyophilised powder for in-vitro laboratory research only, not for human or veterinary use.
Published research on Semax is indexed on PubMed.
Read the Semax research guideIntended Use: Strictly for in-vitro laboratory research. Not for use in humans or animals. This product has not been evaluated by the MHRA or FDA.
Why buy Semax from UK Peptide Lab
Batch-specific test results
Check the reported method, result and testing source for each batch.
Published batch certificates
Review available lab reports and CoAs on the product page.
UK cold-chain storage
Stored at -20°C from arrival through dispatch.
Same-day UK dispatch
Royal Mail Tracked 24, free UK delivery over £69.
Available Semax options

Frequently asked questions about buying Semax in the UK
Is Semax legal to buy in the UK?
Yes, Semax is legal to purchase in the UK for in-vitro laboratory research. It is not a licensed medicine and is not sold for human or veterinary use. Buyers must be aged 18 or over and accept research-use-only terms at checkout.
What purity is the Semax you supply?
The 5mg and 10mg Semax vials have separate batch certificates. Open the certificate from the product page for the size you are comparing to check its reported result and method; the 10mg result does not describe the 5mg batch.
How is Semax supplied?
Semax is supplied as lyophilised powder in 5mg and 10mg vials for in-vitro laboratory research. Each vial size has its own product page and batch certificate.
How fast is UK delivery on Semax?
Orders placed before 3pm UK time on a working day are dispatched same-day from our UK facility via Royal Mail Tracked 24. UK delivery is free on orders over £69.
Where can I find published research on Semax?
Peer-reviewed research on Semax is indexed on PubMed (pubmed.ncbi.nlm.nih.gov). Search 'Semax' for the published literature on its ACTH-fragment pharmacology.