Bark & Whiskers gives you the most updated information on species-appropriate pet nutrition and care.

It's so important that the level in a sick kitty's blood may actually predict her survival. And low levels are often seen in dogs with congestive heart failure. Neither cats nor dogs can make their own, but please don't make this deadly mistake trying to help them.

Both cats and dogs are highly sensitive to it, possibly even to the point of seizures, while we humans go merrily on our way without skipping a beat. To you it's normal, but if your pet could talk she'd beg you to oust them from your home.