Metabolic outsourcing from ingested lactic acid bacteria extends Caenorhabditis elegans healthspan via bacterial amino acid and enzyme provision
Arisa Ito, Daisuke Kyoui, Taketo Kawarai, Hiroshi Matsufuji, Chise Suzuki
This study shows that live lactic acid bacteria extend C. elegans healthspan by providing amino acids and enzymes that support collagen maintenance, bypassing host energy expenditure.
bioRxiv · Sep 14, 2026 · PreprintPhysiology