Table 2.

Study inclusion and exclusion criteria.

Parameter	Inclusion Criteria	Exclusion Criteria
Materials	In vitro, animal, and human studies, both in health and disease.	Not to be defined.
Intervention	Probiotic supply. Isoflavones supply.	Studies with other dietary supplements supplied simultaneously with probiotic, synbiotic, or isoflavones.
Comparator	Comparison of bacterial strains and isoflavones. Placebo or no comparator.	Not to be defined.
Outcomes	There are justifications for the use of probiotics and isoflavones, and they interact with the health of the host.	Not to be defined.
Study design	Intervention studies. Review articles only if they contain data on important issues not available elsewhere.	Case reports Studies duplicating data, lacking a description of method, not in English, or published before 2010.