Research Peptides. Documented and Verified.

A Florida-based supplier of research-use-only peptides. We publish independent test results for every batch we ship — no email requests, no gatekeeping.

Our Mission

HEEZ Research exists to give the in vitro research community what it deserves: source data, not marketing. Every batch we sell is independently tested by accredited third-party laboratories for HPLC purity and mass spectrometry identity. The full Certificate of Analysis is published on the product page so you can review it 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 on every batch.

Open Documentation

Every Certificate of Analysis is published directly on the product page. 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.