---
title: "Where to Buy Semax in the UK — 100 Trusted Suppliers - PeptideSupermarket®"
description: "Where to buy Semax in the UK: compare 100 trusted suppliers from £12.24. Lab-tested options, live pricing and a 30-day price history."
url: "https://peptidesupermarket.co.uk/where-to-buy-semax"
site: "PeptideSupermarket®"
country: "United Kingdom"
---

[Home](https://peptidesupermarket.co.uk) › [Peptides](https://peptidesupermarket.co.uk/compare-peptide-prices-uk) › [Semax](https://peptidesupermarket.co.uk/peptide/semax) › Where to Buy Semax in the UK

UK Buyer's Guide · October 2026

# Where to Buy Semax in the UK

Looking for where to buy **Semax** in the UK? This guide compares 100 trusted suppliers, with live prices from **£12.24** and a 30-day price history so you can buy with confidence.

Our recommended Semax supplier Partner

[R&D Peptides](https://peptidesupermarket.co.uk/suppliers/rd-peptides)

Free over £180

From

£105.00

20mg

[Visit R&D Peptides](https://peptidesupermarket.co.uk/go/019e1cac-3551-7201-b9c8-9eedc6cfb885?loc=keyword_featured)

Cheapest Price

£12.24

at XL Peptides

Average Price

£29.69

10mg dosage

Highest Price

£199.99

at Premio Peptides

UK Suppliers

100

compared

### 30-Day Semax Price Trend

Based on the 10mg dosage — cheapest, average & highest listed price.

Cheapest Average Highest

£200 £107 £13

28 Sep 12 Oct 27 Oct

30-Day Low

£13.30

Average

£31.48

30-Day High

£199.99

## The best places to buy Semax in the UK

There are 100 UK suppliers stocking Semax in our index, with prices for the 10mg dosage ranging from **£12.24** up to **£199.99** (average **£29.69**). [XL Peptides](https://peptidesupermarket.co.uk/suppliers/xl-peptides) is the cheapest option at the time of writing, working out at roughly £1.22/mg. The supplier cards above highlight a few vendors we'd shortlist, and you can open any supplier's profile to read their full delivery, payment and lab-testing details before you buy.

## What to look for in a Semax supplier

Buying research peptides is only worthwhile if you can trust what arrives. We'd prioritise suppliers that offer:

- **Third-party lab testing** — an independent certificate of analysis confirming purity and concentration.
- **UK-based dispatch** — faster delivery, no customs delays, and easier returns.
- **Transparent pricing** — clear per-vial and per-mg costs, with no surprises at checkout.
- **Verified reviews** — a track record from real customers you can actually check.
- **Secure payment and clear policies** — reputable vendors are upfront about shipping times and refunds.

## How much does Semax cost?

Expect to pay around **£29.69** for the 10mg dosage, though shopping around can bring that down to **£12.24**. At the top end, Premio Peptides charges up to **£199.99** — a spread of about **94%** across the market. The price table and 30-day trend above show exactly where Semax is cheapest today and whether prices are moving.

## How to store Semax after delivery

Most research peptides ship lyophilised (freeze-dried) and should be kept cool and dark. Once reconstituted, storage in a fridge and use within the supplier's recommended window helps preserve integrity. Always follow the handling guidance provided by your chosen vendor.

## Frequently asked questions

**Is it legal to buy Semax in the UK?** Research peptides are sold for in-vitro laboratory use only. It's your responsibility to ensure any purchase complies with the law in your jurisdiction.

**How quickly will Semax arrive?** Most UK suppliers dispatch within one to three working days — check each supplier's profile for their exact delivery estimate.

> For in-vitro laboratory research use only. We compare suppliers — we don't sell, supply or ship Semax or any other peptide.

## Compare all Semax suppliers

Choose a dosage to see live prices, cheapest first.

Compare dosage

| # | Supplier | Price | Per mg | Stock | Lab Tested | |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | 95 Confidence [PS Labs](https://peptidesupermarket.co.uk/suppliers/ps-labs) Cheapest ★ 5.0 | £25.00 | £2.50 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a00786-904d-7196-836f-6396c87b169b?loc=keyword_price_table) |
| 2 | 95 Confidence [Biohack Peptides](https://peptidesupermarket.co.uk/suppliers/biohack-peptides) ★ 4.9 | £23.99 | £2.40 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/01a1452e-1527-7094-8136-f591c11b3a0a?loc=keyword_price_table) |
| 3 | 95 Confidence [SPT Peptide](https://peptidesupermarket.co.uk/suppliers/spt-peptide) ★ 5.0 | £40.00 | £4.00 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/019fe845-2e8e-7233-8226-790f12116972?loc=keyword_price_table) |
| 4 | 95 Confidence [Owsa Labs](https://peptidesupermarket.co.uk/suppliers/owsa-labs) ★ 5.0 | £19.99 | £2.00 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a063fc-2aff-7081-bd37-0f5f726c6c93?loc=keyword_price_table) |
| 5 | 95 Confidence [Zentra Peptides](https://peptidesupermarket.co.uk/suppliers/zentra-peptides) ★ 5.0 | £25.99 | £2.60 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/019fce5c-451a-72b5-923b-852bd3216b45?loc=keyword_price_table) |
| 6 | 95 Confidence [Ultra Peptides](https://peptidesupermarket.co.uk/suppliers/ultra-peptides-uk) ★ 5.0 | £14.99 | £1.50 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/019f6ff4-a852-71bb-86d4-fe8eeb609684?loc=keyword_price_table) |
| 7 | 95 Confidence [Alpha Peptides®](https://peptidesupermarket.co.uk/suppliers/alpha-peptides) ★ 5.0 | £30.00 | £3.00 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019da535-b283-70c8-8b9a-1a5e61513371?loc=keyword_price_table) |
| 8 | 95 Confidence [Alpha Peptides®](https://peptidesupermarket.co.uk/suppliers/alpha-peptides) ★ 5.0 | £35.00 | £3.50 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a09484-ed61-7076-b830-b87a7d745ea9?loc=keyword_price_table) |
| 9 | 95 Confidence [BioPlex Peptides](https://peptidesupermarket.co.uk/suppliers/bioplex-peptides) ★ 5.0 | £36.99 | £3.70 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a04452-6ace-7039-8f5f-dcaaf0e00c91?loc=keyword_price_table) |
| 10 | 95 Confidence [Midshire Labs](https://peptidesupermarket.co.uk/suppliers/midshire-labs) | £23.00 | £2.30 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/01a0ce83-3698-73ec-a22c-1916233f2933?loc=keyword_price_table) |
| 11 | 94 Confidence [Peptide Prime](https://peptidesupermarket.co.uk/suppliers/peptide-prime) ★ 4.9 | £18.00 | £1.80 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/019f6720-108f-7268-829b-b9371e06fc67?loc=keyword_price_table) |
| 12 | 92 Confidence [Pyrox Labs](https://peptidesupermarket.co.uk/suppliers/pyrox-labs) ★ 5.0 | £24.99 | £2.50 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a0b154-ddfd-71e3-bde0-02154db036a8?loc=keyword_price_table) |
| 13 | 90 Confidence [Cobalt Peptides](https://peptidesupermarket.co.uk/suppliers/cobalt-peptides) ★ 5.0 | £21.95 | £2.20 | In Stock | | [View Deal](https://peptidesupermarket.co.uk/go/01a0cefb-6c0b-712d-bfcc-4d21ef7016dc?loc=keyword_price_table) |
| 14 | 90 Confidence [QRP Research](https://peptidesupermarket.co.uk/suppliers/qrp-research) ★ 5.0 | £21.25 | £2.13 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a0b54a-f0d8-71c6-bb20-e23d6b7eccc3?loc=keyword_price_table) |
| 15 | 90 Confidence [QRP Research](https://peptidesupermarket.co.uk/suppliers/qrp-research) ★ 5.0 | £25.49 | £2.55 | In Stock | — | [View Deal](https://peptidesupermarket.co.uk/go/01a0b54a-f116-70ae-8ab4-d09f40b0cc81?loc=keyword_price_table) |

[Show all 105 Semax suppliers](https://peptidesupermarket.co.uk/peptide/semax)

## Recommended Semax suppliers

Verified UK vendors we'd shortlist for Semax, based on price, reviews and lab testing.

[PS Labs](https://peptidesupermarket.co.uk/suppliers/ps-labs)

Best Price 95/100

£25.00 10mg

- ★ 5.0 (26 reviews)
- 1–2 day UK delivery

[View profile](https://peptidesupermarket.co.uk/suppliers/ps-labs) [View deal](https://peptidesupermarket.co.uk/go/01a00786-904d-7196-836f-6396c87b169b?loc=keyword_spotlight)

[Biohack Peptides](https://peptidesupermarket.co.uk/suppliers/biohack-peptides)

Runner-up 95/100

£23.99 10mg

- ★ 4.9 (88 reviews)
- Lab tested by Janoshik

[View profile](https://peptidesupermarket.co.uk/suppliers/biohack-peptides) [View deal](https://peptidesupermarket.co.uk/go/01a1452e-1527-7094-8136-f591c11b3a0a?loc=keyword_spotlight)

[SPT Peptide](https://peptidesupermarket.co.uk/suppliers/spt-peptide)

Also worth a look 95/100

£40.00 10mg

- ★ 5.0 (23 reviews)
- 1–2 day UK delivery
- Lab tested

[View profile](https://peptidesupermarket.co.uk/suppliers/spt-peptide) [View deal](https://peptidesupermarket.co.uk/go/019fe845-2e8e-7233-8226-790f12116972?loc=keyword_spotlight)

### More ways to buy Semax

- [Semax full price comparison](https://peptidesupermarket.co.uk/peptide/semax)
- [Best Semax Prices](https://peptidesupermarket.co.uk/best-semax-prices)
- [Cheapest Semax Prices](https://peptidesupermarket.co.uk/cheapest-semax-prices)
- [Buy Semax Online UK Cheap](https://peptidesupermarket.co.uk/buy-semax-online-uk-cheap)
- [Semax Price Comparison](https://peptidesupermarket.co.uk/semax-price-comparison)
- [Semax UK Supplier](https://peptidesupermarket.co.uk/semax-uk-supplier)
- [Semax For Sale](https://peptidesupermarket.co.uk/semax-for-sale)

### Compare prices for other peptides

- [Retatrutide](https://peptidesupermarket.co.uk/where-to-buy-retatrutide)
- [GHK-Cu](https://peptidesupermarket.co.uk/where-to-buy-ghk-cu)
- [BPC-157](https://peptidesupermarket.co.uk/where-to-buy-bpc-157)
- [NAD+](https://peptidesupermarket.co.uk/where-to-buy-nad)
- [Mots-C](https://peptidesupermarket.co.uk/where-to-buy-mots-c)
- [Tirzepatide](https://peptidesupermarket.co.uk/where-to-buy-tirzepatide)

## Compare every Semax deal in one place

Live prices from verified UK suppliers, updated continuously. Find the cheapest Semax in seconds.

[View Semax Comparison](https://peptidesupermarket.co.uk/peptide/semax) [Browse All Peptides](https://peptidesupermarket.co.uk/compare-peptide-prices-uk)

---

*Add `.md` to any page URL on peptidesupermarket.co.uk for its Markdown version. Index of the site: https://peptidesupermarket.co.uk/llms.txt - full text: https://peptidesupermarket.co.uk/llms-full.txt.*
