Why American Peptides - Quality. Transparency. Results. Premium Quality, Research Driven, Made in the USA, Trusted & Secure.
The Comparison

How We Stack Up

A side-by-side look at what you get when you choose American Peptides over other research peptide suppliers.

Category
American Peptides
Other Suppliers
Purity
>99% guaranteed
95-98% typical
Third-Party Testing
Every batch tested
Selective testing
COA Availability
Publicly available
Upon request only
Shipping
Free over $200, 2-3 day
Varies by supplier
Customer Support
Dedicated support team
Email only
Bulk Pricing
Available on all products
Limited availability
Damage & Error Coverage
Free replacement on verified claims
Final sale
Lab Reports
HPLC + Mass Spectrometry
HPLC only
“The transparency is what won us over. Every batch comes with a third-party COA, every claim is backed by data, and every order arrives when they said it would.”
Dr. Sarah Mitchell Principal Investigator � Molecular Biology Lab
From Lab to Vial

Our Quality Process

Every peptide passes through a rigorous six-step pipeline before it reaches your lab.

01

Sourcing

Premium raw materials verified for identity and quality before synthesis begins.

02

Synthesis

Solid-phase peptide synthesis under strict environmental and procedural controls.

03

Testing

HPLC analysis and mass spectrometry confirm purity, identity, and molecular weight.

04

Verification

Independent third-party labs validate results. COAs are generated and published.

05

Packaging

Lyophilized peptides sealed in sterile vials with tamper-evident closures.

06

Shipping

Priority processing and tracked delivery ensure your order arrives fast and intact.

Experience the Difference

Join thousands of researchers who trust American Peptides for purity, transparency, and reliability. Browse our catalog and place your first order today.