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Research peptides for UK laboratories — independently tested

Evil Peptides supplies research-grade peptides in the UK, with the emphasis on purity, independent testing and clear labelling. See the complete peptide range, or browse by area of study: metabolic, growth-hormone axis, tissue repair, skin & cellular ageing and neuropeptide research.

Our certificates of analysis from an independent laboratory are published on the lab testing page, so you can check identity and purity before you order.

The range includes BPC-157, TB-500, Retatrutide, MOTS-c, Semax, Selank, CJC 1295, Tesamorelin, GHK-Cu, GLOW, Melanotan 2 and NAD+, along with bacteriostatic water for reconstitution. Studying several compounds? Our bundles cost less than buying each vial separately.

We send tracked parcels to UK addresses only — see shipping & delivery. For help with concentrations, try the reconstitution calculator, read our guides or get in touch.

All products are sold as reference materials for laboratory research only. Not for human or veterinary use.