Cellulose

Cellulose is a fibre ingredient. Whether it is useful depends on the purpose of the ration, its amount and the outcomes actually tested.

Ingredient Directory

Ingredient evidence profile

Cellulose

Cellulose is a fibre ingredient. Whether it is useful depends on the purpose of the ration, its amount and the outcomes actually tested.

DogFibreInitial evidence summary

What is it?

Calling cellulose a filler does not explain what it does in a formulation. The useful questions are how much is included, what the complete diet supplies and which outcome the manufacturer is trying to achieve.

Source and function

Plant-derived structural fibre; the ingredient specification describes its source and processing. A fibre component used to influence the properties of a complete ration.

What does the research show?

In a 12-dog crossover comparison, a diet with 10% cellulose produced firmer stools than a beet-pulp diet. A separate fibre-and-biotics experiment also used a cellulose-containing control, but several ingredients changed together.

What the evidence cannot tell us

Neither finding isolates every possible effect of cellulose across commercial foods. The 2019 trial compared equal ingredient percentages, not equal total dietary fibre, and lasted only 14 days per period. It was not a weight-management trial.

Questions to ask about a product

Ask for total dietary fibre, energy density and the purpose of the formulation. A lower digestibility value is not automatically a defect, and a firmer stool is not automatically a better clinical outcome.

Safety and practical limits

This profile does not recommend adding cellulose to a pet’s food. Evidence from a formulated experimental diet cannot specify an appropriate home addition or predict tolerance in a dog with digestive disease.

Sources and related reading

Beet pulp, cellulose and Miscanthus in dog food: a fibre comparison

Primary study source: Donadelli RA, Aldrich CG. The effects on nutrient utilization and stool quality of Beagle dogs fed diets with beet pulp, cellulose, and Miscanthus grass. Journal of Animal Science. 2019;97:4134–4139.

Related ingredient: beet pulp

Source checked 24 September 2026. Next review 24 December 2026. This is an initial summary built around the cited research, not a systematic review of all available studies.

Research on this ingredient

Cat

Psyllium versus cellulose in healthy cats

One study with 1 reviewed arm or dose connection(s).

Arm cellulose-comparator

Psyllium versus cellulose in healthy cats

Direct · cat. Nine healthy neutered adult cats.

Tested form: Approximately 6% cellulose food, fed second after a four-day washout. Dose: Approximately 6% (Percentage of food). Duration: Comparator period after a four-day washout; separate duration not reported in the reviewed abstract. Comparator: Approximately 6% psyllium food.

Measured finding: In the cellulose comparator arm, mean daily bowel movements were 1.1, mean stool score 2.6, and median moisture 66.5%.

Limitations: Small sample, fixed treatment order, and short collection periods. Psyllium stools were softer than the study’s optimal score; constipation relief was not measured.

Abstract reviewed · Checked 25 September 2026 · Evidence.pet study summary · Primary source

Dog

Beet pulp and taurine status in dogs on low-protein diets

One study with 1 reviewed arm or dose connection(s).

Arm cellulose

Beet pulp and taurine status in dogs on low-protein diets

Direct · dog. 18 medium-to-large mixed-breed dogs fed low-protein purified diets.

Tested form: Dietary cellulose in a low-protein purified diet. Dose: Not reported in reviewed abstract (Fibre source incorporated in the diet; inclusion level not reported in the reviewed abstract). Duration: 12 weeks; one beet-pulp-fed dog withdrawn at 10 weeks after excessive weight loss. Comparator: Other experimental low-protein fibre diets containing beet pulp and rice bran.

Measured finding: Taurine concentrations fell in all diet groups. Beet-pulp-fed dogs had lower plasma and whole-blood taurine and lower protein digestibility than the cellulose and rice-bran groups, with greater faecal bile-acid excretion.

Limitations: Small groups and deliberately low-protein purified diets; one withdrawal. Taurine and digestion findings cannot be generalized to all commercial diets or used as a clinical heart-disease outcome.

Abstract reviewed · Checked 2 October 2026 · Evidence.pet study summary · Primary source

Products listing or mentioning this ingredient

44 products linked through reviewed ingredient occurrences from manufacturer declarations or partial editorial summaries. Whole-label verification may remain pending. An ingredient’s presence alone does not establish a nutritional outcome.

  • Denzel's Carrot Cake Traybake Denzel's Carrot Cake Traybake - Carrot Cake Traybake; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Denzel's Puppy Gift Box Denzel's Puppy Gift Box - Puppy Dentals; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Recipe or market selection required; Evidence applicability requires the stated ingredient and study review scope
  • Green Pantry 7.5kg Salmon Grain Free Dry Complete Cat Food Green Pantry 7.5kg Salmon Grain Free Dry Complete Cat Food - 7.5kg Salmon Grain Free Dry Complete Cat Food (UK); UK; partial summary Cat; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Green Pantry 7.5kg Turkey Grain Free Dry Complete Cat Food Green Pantry 7.5kg Turkey Grain Free Dry Complete Cat Food - 7.5kg Turkey Grain Free Dry Complete Cat Food (UK); UK; partial summary Cat; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Hill’s Science Plan Large Breed Puppy Chicken Hill’s Science Plan Large Breed Puppy Chicken, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Hill’s Science Plan Light Large Breed Adult Chicken Hill’s Science Plan Light Large Breed Adult Chicken, editorial ingredient summary 2026-09-24; UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Laughing Dog Night Time Stars Laughing Dog Night Time Stars - Night Time Stars; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Laughing Dog Teeth & Gums Laughing Dog Teeth & Gums - Teeth & Gums; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Grain Free Cognitive Chew Sticks Pointer Grain Free Cognitive Chew Sticks - Grain Free Cognitive Chew Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Grain Free Joint Support Chew Sticks Pointer Grain Free Joint Support Chew Sticks - Grain Free Joint Support Chew Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Peanut Butter Flavour Sticks Grain Free Pointer Peanut Butter Flavour Sticks Grain Free - Peanut Butter Flavour Sticks Grain Free; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Peanut Butter Flavoured Paws Pointer Peanut Butter Flavoured Paws - Peanut Butter Flavoured Paws; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Sticks rich in Chicken Grain Free Pointer Sticks rich in Chicken Grain Free - Sticks rich in Chicken Grain Free; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Sticks with Duck Grain Free Pointer Sticks with Duck Grain Free - Sticks with Duck Grain Free; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Pointer Sticks with Lamb Grain Free Pointer Sticks with Lamb Grain Free - Sticks with Lamb Grain Free; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Apple & Blueberry Dental Sticks Soopa Apple & Blueberry Dental Sticks - Apple & Blueberry Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Apple & Blueberry Healthy Bites Soopa Apple & Blueberry Healthy Bites - Apple & Blueberry Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Banana & Peanut Butter Dental Sticks Soopa Banana & Peanut Butter Dental Sticks - Banana & Peanut Butter Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Banana & Peanut Butter Healthy Bites Soopa Banana & Peanut Butter Healthy Bites - Banana & Peanut Butter Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Banana & Pumpkin Dental Sticks for Mini Dogs Soopa Banana & Pumpkin Dental Sticks for Mini Dogs - Banana & Pumpkin Dental Sticks for Mini Dogs; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Banana, Pumpkin & Flaxseed Dental Sticks for Senior Dogs Soopa Banana, Pumpkin & Flaxseed Dental Sticks for Senior Dogs - Banana, Pumpkin & Flaxseed Dental Sticks for Senior Dogs; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Banana, Pumpkin & Flaxseed Healthy Bites for Senior Dogs Soopa Banana, Pumpkin & Flaxseed Healthy Bites for Senior Dogs - Banana, Pumpkin & Flaxseed Healthy Bites for Senior Dogs; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Carrot & Pumpkin Dental Sticks Soopa Carrot & Pumpkin Dental Sticks - Carrot & Pumpkin Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Carrot & Pumpkin Healthy Bites Soopa Carrot & Pumpkin Healthy Bites - Carrot & Pumpkin Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Coconut & Chia Seed Dental Sticks Soopa Coconut & Chia Seed Dental Sticks - Coconut & Chia Seed Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Coconut & Chia Seed Healthy Bites Soopa Coconut & Chia Seed Healthy Bites - Coconut & Chia Seed Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Cranberry & Sweet Potato Dental Sticks Soopa Cranberry & Sweet Potato Dental Sticks - Cranberry & Sweet Potato Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Cranberry & Sweet Potato Healthy Bites Soopa Cranberry & Sweet Potato Healthy Bites - Cranberry & Sweet Potato Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Gingerbread Biscuit Dental Sticks Soopa Gingerbread Biscuit Dental Sticks - Gingerbread Biscuit Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Gingerbread Biscuit Healthy Bites Soopa Gingerbread Biscuit Healthy Bites - Gingerbread Biscuit Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Kale & Apple Dental Sticks Soopa Kale & Apple Dental Sticks - Kale & Apple Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Kale & Apple Healthy Bites Soopa Kale & Apple Healthy Bites - Kale & Apple Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Mango & Raspberry Dental Sticks Soopa Mango & Raspberry Dental Sticks - Mango & Raspberry Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Mango & Raspberry Healthy Bites Soopa Mango & Raspberry Healthy Bites - Mango & Raspberry Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Paw-Na Colada Dental Sticks Soopa Paw-Na Colada Dental Sticks - Paw-Na Colada Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Paw-Na Colada Healthy Bites Soopa Paw-Na Colada Healthy Bites - Paw-Na Colada Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Pumpkin Spiced Latte Dental Sticks Soopa Pumpkin Spiced Latte Dental Sticks - Pumpkin Spiced Latte Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Pumpkin Spiced Latte Healthy Bites Soopa Pumpkin Spiced Latte Healthy Bites - Pumpkin Spiced Latte Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Strawberry & Coco-Cream Cupcake Dental Sticks Soopa Strawberry & Coco-Cream Cupcake Dental Sticks - Strawberry & Coco-Cream Cupcake Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Strawberry & Coco-Cream Cupcake Healthy Bites Soopa Strawberry & Coco-Cream Cupcake Healthy Bites - Strawberry & Coco-Cream Cupcake Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Strawberry Dog-Quiri Dental Sticks Soopa Strawberry Dog-Quiri Dental Sticks - Strawberry Dog-Quiri Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Strawberry Dog-Quiri Healthy Bites Soopa Strawberry Dog-Quiri Healthy Bites - Strawberry Dog-Quiri Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Watermelon & Apple Dental Sticks Soopa Watermelon & Apple Dental Sticks - Watermelon & Apple Dental Sticks; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
  • Soopa Watermelon & Apple Healthy Bites Soopa Watermelon & Apple Healthy Bites - Watermelon & Apple Healthy Bites; UK; manufacturer declaration Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope