NASA astronaut Jonny Kim shows off production bags for the BioNutrients-3 investigation

iss073e0817663 (Oct. 1, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim shows off production bags containing bioengineered yeasts and probiotic cultures for the BioNutrients-3 investigation aboard the International Space Station's Destiny laboratory module. The biotechnology investigation seeks to produce on-demand vitamins and nutrients using bioengineered yeast and bacteria to maintain crew health during long-term space missions farther away from Earth.