PXP Peptides
Purity you can
verify.
The UK’s premium research peptide supplier.
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Precision engineered.
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Tested per batch.
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UK based.
Proof, not a promise
Purity isn't a claim. It's a measurement, tested per batch and printed on that batch's certificate.
Purity by HPLC
Reversed-phase HPLC separates the peptide from everything else in the vial and reports what proportion of the material it is.
Identity by mass spectrometry
Mass spectrometry measures the molecular mass of what was made and checks it against the mass the sequence predicts.
One certificate per batch
The certificate names the batch, the method, the date and the result. Every vial traces back to the analysis that released it. Ask for the certificate covering any batch you hold, and we'll send it.
Ask us something
We supply researchers, and nothing we sell is for use in or on a person or an animal. Tell us what you are looking for and we will answer by email.