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◇ The Peptide Watch, independent vendor audit

Is Next Day Peptides legit?

nextdaypeptides.co.uk · audited 4 July 2026
🚩 On the watch list, its certificate can't be verified in its own name.

Next Day Peptides next Day Peptides ('ndp+') sells tirzepatide, semaglutide, MT-2, cagrilintide, HGH and retatrutide with GBP pricing and Royal Mail Tracked 24, saying a COA is available on request via an 'external NATA-accredited laboratory', but names no specific laboratory.

Pricing vs the market, benchmarked on BPC-157

The Peptide Watch benchmarks every vendor on the same compound, BPC-157, the most common research peptide, as £ per milligram, so prices are directly comparable across all providers. No public BPC-157 price feed was available for this vendor at audit.

The audit checklist

CheckResult
Verifiable certificate in its own nameNo
Independent lab namedNone named / unverifiable
Tests its own stockNo evidence

Related vendors

Others in the same category: Is Accurapeptides legit? · Is Alpha Peptides legit? · Is Aminopeptides legit? · Is Anglopeptides legit?
Compare with independently-tested vendors: Is Lab77Peptides legit? · Is Biohacklondon legit? · Is Velonix Labs legit?
The bottom line. Next Day Peptides sits on the watch list because it does not publish a certificate that can be verified in its own name. Everything above is observable on its own website and the public record. See the vendors whose certificates are actually their own →
⚠️ Is anything on this page wrong or out of date? Submit a correction request and we'll look into it, vendors welcome too.