Why we built this

I started looking at the peptide research market the way a researcher looks at a chromatogram — peak by peak. What I found was a category running on adjectives. "Premium." "Pharma-grade." "99%+ pure." Numbers without provenance. Lab partners unnamed. COAs out of reach.

Every claim that's actually meaningful has a paper trail behind it. A purity number is meaningful when it's tied to a specific batch, tested by a named lab, with the COA available to download. Sourcing is meaningful when you can name the country and the manufacturing standard. None of this is hard. It just requires not hiding.

“If we can't verify it, we don't print it.

VS Peps publishes the full batch ledger. Every compound has a real COA. Every purity number reports to the decimal, with the lab partner named on the certificate. When a new batch tests cleaner than the last, we publish the new number. When a batch fails our threshold, that batch never ships — and we say so on the page.

This isn't a feature. It's the entire product. The compounds are commodity; you can buy the same molecules from a dozen stores. What we sell is the receipts.

If that resonates, the catalog is open. If you see something we should publish but haven't, write to sales@vspeps.com.