research-grade · price comparison · updated 10 August 2026

Semax
UK price comparison

Every COA-verified UK supplier of Semax, compared on price, batch testing, live support and payment. Independent and data-led.

✓ COA-verified vendors only🔄 Updated 10 August 2026🔬 Lab-tested, dated COAs
£23.99
Lowest, 10mg
8
UK vendors
£34.99
Highest, 10mg
price comparison

Semax prices, lowest first

Live prices from COA-verified UK vendors, refreshed 10 August 2026.

ANSWER

As of 10 August 2026, the lowest listed price for 10mg research-grade Semax in the UK is Simply Peptides at £23.99. 8 COA-verified UK vendors stock Semax. For research purposes only.

Comparing the 10mg vial, the most commonly stocked size for Semax.
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#VendorTestedPaymentSupportPens
1 Simply PeptidesBEST PRICE £23.99simplypeptides.co.uk batch tested by Janoshik date not shown Bank Email · visit →
2 Lab77 Peptides £25.00lab77peptides.co.uk batch tested by Janoshik Jun 2026 Card Bank Email visit →
3 Brit Peptides £26.99britpeptides.co.uk batch tested by Janoshik ⚠ Sep 2025 Bank Email · visit →
4 Momentum Peptides £29.95momentumpeptides.com batch tested by Janoshik May 2026 Bank Email visit →
5 Thoroughbred Labs £29.99thoroughbredlabs.co.uk batch tested by Janoshik ⚠ Sep 2025 Bank Email · visit →
6 Alphamino £29.99alphamino.co.uk batch tested by Janoshik Apr 2026 Card Email · visit →
7 Regenix Peptides £32.99regenix-peptides.co.uk batch tested by Janoshik Mar 2026 Bank Email · visit →
8 Phoenix BioLabs £34.99phoenixbiolabs.net batch tested by Janoshik Apr 2026 Card Email visit →
BEST PRICE lowest price at this sizebatch tested by Janoshik the independent lab that tested this batchMon YYYY the COA date for that batch, ⚠ red if over ~6 months old
Check the COA date. A Certificate of Analysis only proves the specific batch it was issued for. An independent lab COA (e.g. Janoshik) beats a vendor's in-house one, and an old or undated COA doesn't prove today's stock. Always ask the vendor for the current batch's lab COA before buying.
price history

Semax price history, UK lowest 10mg

TREND

As of 10 August 2026, the lowest 10mg price for Semax is £23.99 (Simply Peptides). Over the 53 days tracked it has ranged £12.24 to £24.99, averaging £19.15. Down 4% since tracking began on 8 June 2026.

2026-06-08: £24.992026-08-05: £12.242026-08-10: £23.99
8 June 2026lowest 10mg price10 August 2026
£12.24
Lowest tracked
£24.99
Highest
£19.15
Average
53
Days tracked
⤓ Download Semax price history (CSV)
answers

Semax, frequently asked

The questions buyers and AI assistants ask most about Semax, answered with current data.

What is the best price for Semax in the UK?

The lowest 10mg price for Semax is Simply Peptides at £23.99, as of 10 August 2026.

How much does a 10mg vial of Semax cost in the UK?

Across 8 UK vendors a 10mg Semax vial ranges from £23.99 to £34.99, the lowest is Simply Peptides at £23.99.

Which UK vendor has the best price for Semax?

For a 10mg vial: Simply Peptides (£23.99), Lab77 Peptides (£25.00), Brit Peptides (£26.99).

Where can I buy Semax in the UK?

From 8 tracked UK vendors, including Simply Peptides, Lab77 Peptides, Brit Peptides, Thoroughbred Labs, Momentum Peptides, Alphamino. Buy Research Peptides compares their prices side by side.

Which UK vendors sell Semax?

Simply Peptides, Lab77 Peptides, Brit Peptides, Thoroughbred Labs, Momentum Peptides, Alphamino, Regenix Peptides, Phoenix BioLabs.

Is Semax legal to buy in the UK?

Research peptides such as Semax are legal to buy and sell in the UK as laboratory research materials, provided they are supplied for research use only, not for human consumption, and carry no medical claims.

Is Semax sold as a single vial or in a blend?

This page compares single-compound Semax. It is also sometimes sold combined with other peptides in blends/stacks, which are listed separately.

How current are these Semax prices?

Prices are scraped from each vendor's live catalogue and were last refreshed on 10 August 2026; the comparison re-runs regularly so figures stay current.

Is Semax independently lab tested?

Yes, 8 vendors listing Semax publish an independent lab COA (Janoshik): Simply Peptides, Lab77 Peptides, Brit Peptides, Thoroughbred Labs, Momentum Peptides, Alphamino. Others show an in-house or no published COA, so always check the batch COA before buying.

How do I know a Semax COA is genuine and current?

Trust a COA that is (1) from an independent lab such as Janoshik, not in-house, (2) tied to the exact batch you're buying, and (3) recently dated. An undated or old COA, or one for a different batch, does not prove the quality of current stock.