Independent intelligence on U.S. peptide vendors.

Identity. Testing. Regulatory history. Documented and source-linked.

Intelligence snapshot#

214vendors tracked
3,280sources reviewed
52regulatory findings
176material changes

Last updated October 24, 2026.

Recent material changes#

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How we research vendors#

Every vendor profile is built from primary records: state business registrations, domain history, third-party lab reports, and federal regulatory actions. Each claim links to its source, and each source carries a confidence tier so you can judge the evidence yourself.

Read our full research methodology →

Newsletter#

Peptide Signal IQ Weekly — what changed across the U.S. peptide vendor market, source-linked and summarized. About five minutes, once a week.

One weekly issue. No spam, no sponsored editorial — unsubscribe anytime. By subscribing you agree to receive Peptide Signal IQ Weekly at this address.