About
A peptide supplier built for people who read the chromatogram.
DA Peptides was founded in St. Louis, Missouri to solve a problem researchers kept describing the same way: sourcing peptides was easy, but sourcing peptides with credible documentation was not. Vials arrived with no batch number, no test date, and purity figures that appeared identical across every product on a website.
We built the company around the opposite default. Material is manufactured at audited facilities, verified by an independent analytical laboratory, and released only when the chromatogram matches the claim on the label. Lots that fail are rejected, not repriced.
Our customers are research laboratories, clinicians running investigational protocols, and independent scientists. What they have in common is a need for material whose provenance survives scrutiny — which is why our tagline has stayed the same since day one: purity, potency, progress.
BPC-157 10mg
MOTS-c 40mg
Tirzepatide 10mg
How we operate
Evidence over adjectives
We describe what a compound is and what testing shows. We do not describe outcomes, and we do not publish claims a certificate cannot support.
One grade of material
There is no economy tier. Every lot clears the same purity, identity and endotoxin thresholds before it is listed.
Traceable to the vial
Batch numbers on the label map to a specific analytical document, so any result in a lab notebook can be tied back to the material used.
Questions before you order?
We answer technical questions directly — no sales script.