Fusion Peptide is a US-based vendor that serves both individual buyers and bulk customers. The site carries a broad catalogue, with extensive COA documentation covering about two-thirds of its peptides — vendor-hosted reports that average 99.46% purity, often with multiple tests per peptide. Pricing is listed for most products. Community signal is thin, with no significant firsthand buyer reports yet accumulated on product quality, shipping, or customer service.
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Anecdotal signals
Testing coverage
Price
regional price-per-mg comparisons · prices checked 13d ago
We don't issue verdicts — we publish the evidence and let it speak. We hold 104 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.
35 of 49 observed peptides have a COA mapped to them. Latest captured reports are from Vanguard Laboratories.