Union Biolabs is a UK-based vendor offering both retail and bulk peptides. The site lists 34 peptides in its catalogue, with vendor-hosted COA documentation available for 12 of them across 36 test reports — showing an average purity of 99.17%. Prices are listed directly for most products. Community discussion is limited — buyer reports are too sparse to characterize service quality, shipping reliability, or product experience with confidence.
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Anecdotal signals
Testing coverage
Price
regional price-per-mg comparisons
We don't issue verdicts — we publish the evidence and let it speak. We hold 25 captured lab documents (COAs) for this vendor. Our automated site audit has verified the vendor's published catalogue and COA surface. The sections on this page hold the evidence behind each of those numbers.
16 of 32 observed peptides have a COA mapped to them.