Table 2 The beneficial effects of kefir for preventing and treating colon cancer

Type of cancer	Type of culture media or animal model	Type of study design	Type of treatment by kefir	Effected discovered after treatment
Colon cancer	Human colon adenocarcinoma cells	In vitro	Kefir supernatant	Reduced DNA damage
	Human colorectal adenocarcinoma cell line	In vitro	Cell free fraction of kefir	Reduced proliferation / pro-apoptotic effects

Source : Grishina et al., 2011; Khoury et al., 2014