Gibco® LB Broth is a ready-to-use liquid growth media used for bacteria culture. Our filter-sterilized Gibco® LB Broth can be used for nearly all applications that require a liquid bacterial culturing step such as protein expression, cloning, and expansion.

  • Gibco® microbiological media
  • Convenient ready-to-use liquid format
  • 1 L and 500 mL sizes available
LB Broth Recipe
LB Broth is one of the most referenced bacterial media for cultivating and maintaining Escherichia coli (E. coli) strains. Our Gibco® LB Broth is based on the Lennox formulation, one of the most commonly used for LB medium.

Formulation per one liter:
10 g   SELECT Peptone 140
5 g   SELECT Yeast Extract
5 g   Sodium Chloride

Ready-to-Use in Optimized Gibco® Media Bottles
Each bottle of Gibco® LB Broth is filter-sterilized and ready-to-use in ergonomic Gibco® media bottles with angled openings for simplified pipetting.

For research use only. Not intended for human or animal therapeutic or diagnostic use.