There are several petfoods on the market that contain clay minerals such as montmorillonite and bentonite. Inclusion of these earth elements at small amounts are purported to benefit our pets.

Selenium is an essential trace mineral for dogs and cats. Due to wide variation in selenium content among ingredients used to make petfoods, most manufacturers will include a supplemental source in their trace mineral premix. The predominant form used in petfood is sodium selenite, which has been used for decades without much issue.

In human foods, bones have long been a staple for making ingredients like soup stock and gelatin; however, people don’t often eat bones directly. Rather, any bone that lands on our plates as a function of eating a steak, drumstick or chop often ends up being discarded or shared with the family pets.