
ZymoBIOMICS Gut Microbiome Standard (D6331) by Zymo Research — 750 µl (10 preps), 21 microbial strains (Bacteria, Fungi, Archaea), ~3.94 × 10⁹ cells/ml, <15% abundance deviation. BSL 1 inactivated. For gut microbiome NGS workflow validation. Stored in 2× DNA/RNA Shield. Made in the USA.