Some users use 0.22 micron syringe filters to sterilize their reconstituted peptides. This gets rid of micro organism and fungi but will not address endotoxins, the lipopolysaccharide fragments released by gram-adverse microbes. Respected research peptides are accompanied by Certificates of research which include batch numbers, purity percentages, and testing methodologies. https://dickl900wqi3.smblogsites.com/profile