Table 3 The beneficial effects of Kefir for preventing and treating breast cancer

Type of cancer	Type of culture media or animal model	Type of study design	Type of treatment by kefir	Effected discovered after treatment
Breast cancer	Murine	Experimental	Oral administration of kefir and KF	Diminished tumor growth
	Human cell line	In vitro	Four kefir products	Anti-proliferation effects on cancer cells and no effects on normal cells

Source : Chen et al., 2006; de Morno de LeBlanc et al., 2006