Built for people who read the certificate.

Brant Bio was founded in 2024. We supply research peptides to laboratories and independent researchers who want the specification, the lot number and the test result before anything else. No claims, no hype: a purity number, a mass, a date, and a lab that isn't us.

Brant Bio sources finished, labelled research reagents. We do not manufacture, fill, or vial on site. Orders are packaged and shipped from California. Independent laboratory reports are disclosed by original report ID - see Certificates of Analysis.