Persists: Symbioflor-2

This is another Escherichia Coli probiotic, containing only this species but with six strains ( G3/10,G1/2, G4/9, G5, G6/7, and G8 2015)

  • Strain are specified, likely source is Germany
  • Studies finding close similarity to Mutaflor, implies human origin
  • Known to persist in at least 10% of patients
  • Well Studied

3.5 thumbs up out of 4 (confirmation of human source is missing)

US Source: German Apotheke