About BioSource Peptides

BioSource Peptides is a US-based supplier of premium research-grade peptides. We exist to provide researchers, scientists, and laboratories with the highest-purity compounds available — synthesized to exacting standards and verified by independent third-party labs.

Our Mission

We believe that quality research begins with quality materials. Every compound we supply undergoes rigorous third-party testing to verify purity at 99.4% or higher. We never cut corners — because the integrity of your research depends on it.

Quality Standards

• All compounds synthesized to pharmaceutical-grade standards
• Independent third-party testing performed in the USA
• Certificate of Analysis (COA) available for every batch
• Climate-controlled storage and shipping
• Rigorous batch-to-batch consistency testing

Research Use Only

All products sold by BioSource Peptides are intended strictly for laboratory research purposes. They are not intended for human or veterinary use, and are not intended to diagnose, treat, cure, or prevent any disease or condition.

Have questions? Contact our team — we’re here to help.