> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.projectamino.io/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Do you test your peptides for purity?

Yes. Every batch of peptides from Project Amino is tested for purity and quality using advanced laboratory methods like HPLC and Mass Spectrometry. This ensures our products meet the highest research-grade standards.