About the laboratory
Vanguard Laboratory is an independent testing laboratory in Olympia, Washington, accredited by A2LA to ISO/IEC 17025:2017. It tests research peptides, supplements, topicals, food and water using LC-MS/MS, GC-MS, ICP-MS and rapid sterility methods.
PX1 Research uses Vanguard for independent purity, identity and quantity verification. Each Vanguard certificate for a PX1 lot is published in our COA archive under its exact product, strength and batch.
Testing capabilities
HPLC purity
Methods validated to USP <1225>, reviewed by Ph.D. chemists.
Identity & quantity
Mass spectrometry identity confirmation and net content.
Endotoxin & sterility
Endotoxin testing and USP <71> sterility (14-day period).
Heavy metals (ICP-MS)
Elemental contaminant screening.
Add-on screens
Fentanyl, TFA analysis and vial seal integrity.
COA verification
Certificates verifiable directly with the laboratory.
See Vanguard Laboratory certificates for PX1 batches
Search our archive by product, strength or batch number.
Open COA library