Research Peptides. Documented and Verified.

A Florida-based supplier of research-use-only peptides. We publish independent test results as testing is completed — no email requests, no gatekeeping.

Our Mission

HEEZ Research exists to give the in vitro research community what it deserves: source data, not marketing. Products are independently tested by accredited third-party laboratories for HPLC purity and mass spectrometry identity. Certificates of Analysis are published on product pages as testing is completed — review the report before you order.

We’re based in Florida and ship nationwide, with same-day dispatch on weekday orders placed before our cutoff. Our products are for laboratory research only and are not intended for human consumption.

Why HEEZ

Independently Verified

HPLC purity and mass spectrometry identity testing at accredited third-party laboratories.

Open Documentation

Certificates of Analysis are published directly on product pages as testing is completed. Read the chromatogram before you buy.

Florida Dispatch

Same-day shipping on weekday orders before our cutoff. Vials are supplied lyophilized and stable at ambient temperature in transit, so no cold chain is required.

Direct Support

Built for qualified researchers and institutions. Real answers from people who know the catalog — not canned replies.