Stackhaus Research is a site-verified retail-and-bulk vendor shipping to the USA, with a catalogue of 50 peptides. The vendor publishes its own HPLC lab reports—19 certificates of analysis covering 9 peptides, with purity averaging 99.3%. Pricing is listed for most products in the catalogue. Community mentions are absent, so there's no independent read yet on product quality, customer service, or shipping experience.
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Anecdotal signals
Price
regional price-per-mg comparisons · prices checked 24d ago
We don't issue verdicts — we publish the evidence and let it speak. We hold 17 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.
9 of 42 observed peptides have a COA mapped to them.