Ingredient library

Neutral · Fiber

Powdered cellulose

Also appears on labels as: cellulose, natural plant fibers

Purified plant fiber, usually from wood pulp or cotton.

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Where it comes from
Chemical pulping of plant material.
Why it's in the product
Bulk fiber. It adds volume and slows eating without adding calories, which is why it shows up in weight-management and hairball formulas.
Safety and toxicity
Inert and not absorbed. It is the definition of a filler, but in a weight-control food that is exactly the job it was hired for.
Interactions and who should be careful
High insoluble fiber can reduce the absorption of some minerals and medications given at the same time.

General reference, not veterinary advice. Dose, breed, and existing conditions change the answer, so talk to your vet before changing what your pet eats. Think we got this wrong? Tell us and we log it publicly.

Found in 8 scored products

Lowest scores first. Its presence here is not what drove those scores.