About PeptidesDirect
Science-First. Quality-Obsessed.
PeptidesDirect was founded on a simple principle: researchers deserve access to peptides manufactured under pharmaceutical cGMP standards at fair prices — backed by transparent testing and real accountability.
Our Story
PeptidesDirect began in 2022 when a team of biochemists noticed too many suppliers cutting corners. We set out to build the supplier we wished existed.
Today, we supply 106 research peptides manufactured under pharmaceutical cGMP standards to university labs, biotech startups, and researchers worldwide.
Our Quality Commitment
USA-Based Synthesis
Every peptide synthesized in FDA-registered, ISO 9001 facilities in the United States.
Lot Analysis
Available CertikLabs reports identify the product, strength, and lot before presenting analytical results.
Cold Chain Integrity
Insulated packaging with gel ice packs maintaining temperature for up to 72 hours in transit.
Transparent Documentation
Product pages show specifications and link the corresponding lot report where one is available.
30-Day Guarantee
Full refund or replacement within 30 days. Free product replacement for independent testing.
≥98% Purity Standard
Pharmaceutical-grade with acetate/HCl counterion exchange to eliminate TFA cytotoxicity.
