Reviewed by Dr. Becker

Dogs' and cats' bodies weren't created to survive this way, and to deprive them of this basic need, you actually may cripple your pet's body's healing potential and ability to function optimally.

This can be an invisible issue but it can cause symptoms in your dog or cat like vomiting, weight loss, diarrhea and poor coat condition. But it also may not cause any noticeable symptoms at all.

Poison alert: This mistake predisposes your pets to malignant lymphoma, nasal tumors, lung and oral cancers, and a host of other problems. Doesn't really matter what kind of pet you have - you simply must rid your home of this pernicious pet and human toxin.

You may rely on it to stretch your budget. Or because you assume they're telling you the truth. But don't heed the advice based on this 2013 feeding study if you want your pet to really thrive. No wonder pet parents are increasingly rejecting this bogus advice.

Pentobarbital is commonly used to euthanize dogs, cats and some horses, so what's it doing in pet food? While we'd like to believe the pet food industry upholds the law and avoids illegal adulterated products, what's really happening behind the scenes is a whole different story.