Research peptide vendor, ranked

This category covers vials, blends and sprays sold under research-use-only terms by the three peptide vendors we've reviewed in depth. Every compound here, BPC-157, TB-500, GHK-Cu, NAD+, DSIP and the rest, is sold for laboratory research, not human consumption, and none of them has an approved consumer form anywhere in the world.

The ranking below sorts by how many of each vendor's own claims we could independently confirm, not by which compound has the strongest research behind it. A vendor with a public, searchable Certificate of Analysis and openly listed pricing ranks ahead of one that gates the same information behind an account login, regardless of what compound is in the vial. For the actual evidence quality behind any specific compound, our guides and blog comparisons grade that separately.

If you're new to this category entirely, what are research peptides and how to vet a peptide vendor are the better starting points before comparing individual products.