Your four-legged family members can't metabolise sweets like humans, but do you know why?

Four-legged family members can't metabolise candy like humans.

Generally, pet owners likely know what their animals should and shouldn't eat, but they may not know why.

Chocolate, for instance, contains caffeine and a compound called theobromine, which can be toxic in certain doses to both dogs and cats.

Cats, however, can't taste sweet so aren't necessarily as drawn to chocolate as dogs. 

Symptoms of chocolate upset include digestive upset (vomiting, diarrhea), restlessness, hyperactivity and trembling, she said.

Then there's xylitol, a sugar substitute found in some sugarless gums and candies. It can cause hypoglycemia, seizures and even liver failure in dogs, Greer said. Symptoms of xylitol poisoning can include vomiting, weakness and lack of coordination.

But it's not all gloom and doom for the pets in search of treats.

Some seasonal superfoods that dogs and cats can enjoy include pumpkin. The rinds make for a great source of soluble fiber to support proper digestion.

Apples are an excellent source of phytonutrients that support the overall health of pets.  Lentils are also a great source of dietary fiber for a healthy digestive system, providing folate and magnesium as well to support heart health.

Most pet bakeries and pet stores stock up on safe treats too.