Cellulose Fiber in Pet Food

Grade D-4 ptsFiber & Superfoods

What It Is

"Purified plant fiber — often sourced from wood pulp."

Health Impact

The fancy name for wood pulp. Completely indigestible by dogs or cats. Used to add bulk and reduce calorie density in weight-management foods. No nutritional value. Score: 1/10.

Why This Grade

A meaningful red flag: an unnamed source, heavy processing into a by-product or digest form, or documented regulatory scrutiny in at least one country. -4 pts deducted.

Sources & Further Reading

Frequently Asked Questions

Is Cellulose Fiber safe for dogs and cats?

Rated D (-4 pts) by PetPro-tectors™. The fancy name for wood pulp. Completely indigestible by dogs or cats. Used to add bulk and reduce calorie density in weight-management foods. No nutritional value. Score: 1/10.

What is Cellulose Fiber in pet food?

Purified plant fiber — often sourced from wood pulp.

Related Fiber & Superfoods Ingredients

Ground FlaxseedChicory RootInulinPsyllium Husk
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Sources: FDA, AAFCO Official Publication, National Toxicology Program,
WSAVA Global Nutrition Guidelines, Journal of Animal Science.

PetPro-tection League™