http://www.roadsend-papillons-phalenes.com/2013/04/positive-results-of-internal-and.html
Today I want to tell you that not only you can choose the pure DE, but you also have the choice of buying a mix of Diatomaceous Earth with the most beneficial Calcium Bentonite.
Calcium Bentonite is a highly absorbent clay, and when ingested it absorbs toxins , impurities and harmful bacteria of your body, as it passes along. Pets, and humans alike.
It purifies.
There are many other uses of Calcium Bentonite.
Resources:
http://www.ehow.com/info_8486286_diatomaceous-earth-vs-bentonite-clay.html
http://en.wikipedia.org/wiki/Bentonite
http://en.wikipedia.org/wiki/Diatomaceous_earth
http://earthslivingclay.com/can-calcium-bentonite-clay-help-my-pet/