Clay listed as ingredient in food--why?

[Cat Ma]

I am looking at the ingredients for Nature's Variety Instinct Grain Free canned and raw food and one ingredient that concerns me is Montmorillonite Clay. Why would clay be added to food?

 

[Chris & China (GA)]

Here's some good information on Montmorillonite Clay

 

[Cat Ma]

Very helpful. Thank you, Chris.