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Index updated 8 Nov 2026 · 13 verified · 269 state third-party testing · 225 with a COA page
Of 407 suppliers serving the UK, 359 are based there and 48 ship in from abroad. 269 state third-party testing and 225 link a certificate of analysis page. 13 have passed PepFinder verification. Stores based in the UK are listed before those shipping in, whatever their score.

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United Kingdom
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United Kingdom
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United Kingdom
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United Kingdom
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United Kingdom
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United Kingdom
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Suppliers appear here because they are based in the UK or state that they ship there. Prices are compared in GBP only, never converted from other currencies, so the figures reflect what buyers in the UK actually pay. Rules on buying, importing and possessing research peptides are set nationally, and the regulator in United Kingdom is the Medicines and Healthcare products Regulatory Agency (MHRA): our page on whether peptides are legal in the UK summarises them, with links to the sources.
To compare prices for one peptide in GBP, go straight to BPC-157, Retatrutide, Tirzepatide, Semaglutide, Tesamorelin, GHK-Cu, Ipamorelin or Sermorelin. Before ordering from a supplier you have not used, run through our checklist for spotting an unreliable supplier, and check whether it publishes independent test results. The best-rated and fastest delivery rankings cover every region.