May 29/Torrance, Calif./PRNewswire -- Results of a new study published in the journal Molecular Systems Biology show probiotics have a tangible effect on metabolism.

Researchers from Imperial College London and Nestle Research Center in Lausanne, Switzerland, fed mice two different strains of probiotics, Lactobacillus paracasei and Lactobacillus rhamnosus. Each strain showed a range of biochemical effects that were markedly different.