Description:Untargeted metabolomic data (Metabolon) of cecal contents from gnotobiotic (GF) mice, GF mice monocolonized for 7 days with the commensals Paraclostridium bifermentans or Clostridium sardiniens, or for 24 hours with C. difficile strain ATCC43255 or co-colonized with one of the above commensals.