Verified · Third-party tested
Certificates of analysis
Every PeptidAs batch is independently tested by an accredited third-party laboratory, checked on six points for identity, purity, concentration and contaminants before shipping. View the latest certificates below.
Six-point screening
Every batch, checked six times
We don't just check purity. Every production batch is independently tested using six analytical methods, plus a visual inspection, before it's cleared for shipping.
Identity
Confirms the exact peptide by its molecular mass.
Purity
Chromatographic purity, verified above 99%.
Net content
Actual peptide mass present in each vial.
Endotoxins
Screened at a 0.05 EU/ml threshold.
Microbiology
No detectable microbial DNA.
Contaminants
Every batch is tested and comes back negative.
Not sure how to read these values? Read our article Reading a peptide certificate of analysis.