Testing standards
The 8-test protocol
Every lot is sent to an independent third-party lab for the same eight tests before it's released for sale.
01 / 08 · HPLC
Purity
Measures what percent of the vial is the target peptide.
02 / 08 · Mass spectrometry
Identity
Confirms the molecule matches the labeled compound.
03 / 08 · Quantitation
Net content
Checks the vial holds the labeled amount.
04 / 08 · LAL assay
Endotoxin
Screens for bacterial endotoxins.
05 / 08 · PCR screen
Sterility
Screens the fill for microbial contamination.
06 / 08 · ICP-MS
Heavy metals
Screens for lead, arsenic, cadmium and mercury.
07 / 08 · LC-MS/MS
Fentanyl screen
Confirms no fentanyl or analog contamination.
08 / 08 · Multi-vial check
Batch conformity
Tests extra vials to confirm the lot is consistent.
Results for each lot are published on its certificate of analysis. Find yours on the COA page or look it up by lot number on Verify a Lot.