Ingredient evidence profile
Beet pulp
Beet pulp can change stool characteristics and digestion. Those changes need context; they are not a universal good-or-bad score.
What is it?
Beet pulp is the fibrous material left after sugar extraction. Its name does not describe the amount of fibre in the finished ration. Compare the actual formulation and analysis rather than judging a food by this ingredient alone.
Source and function
Fibrous residue remaining after sugar extraction from sugar beet. A dietary fibre source whose effects depend on the complete formulation and the endpoint being measured.
What does the research show?
A 2019 crossover study compared diets containing 10% beet pulp, cellulose or Miscanthus in 12 adult Beagles. Beet pulp produced softer stools and less wet faecal output, with lower apparent protein digestibility than the other tested fibre diets.
What the evidence cannot tell us
Equal ingredient inclusion did not give equal total dietary fibre. The short trial studied healthy dogs and did not measure long-term disease prevention or weight loss. The 10% inclusion was an experimental formulation, not an instruction for adding fibre at home.
Questions to ask about a product
Ask what role the fibre serves in this particular food, what total dietary fibre data are available and whether stool claims come from the finished product. Crude fibre on a label is not the same measurement as total dietary fibre.
Safety and practical limits
The study cannot set a universally suitable amount for every dog. A change in stool firmness is not itself a diagnosis or proof of better health. This evidence scope is dogs; cat and fish outcomes require separate evidence.
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.
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
Dog
Beet pulp levels in dog food: stool output and digestion
One study with 5 reviewed arm or dose connection(s).
Arm beet_pulp_dm_10
Beet pulp levels in dog food: stool output and digestion
Direct · dog. 30 female English Pointer dogs in a dietary fibre experiment.
Tested form: Dietary beet pulp replacing corn starch in meat-based diets. Dose: 10% of dietary dry matter (Dietary dry-matter inclusion; oral feeding). Duration: Not reported in reviewed abstract. Comparator: Meat-based diet containing 0% beet pulp.
Measured finding: Across graded beet-pulp diets, dry-matter and organic-matter digestibility averaged about 6% below control. Wet stool output increased from 117 to 374 g/day across the range. At 12.5%, defecation averaged 5.2 times/day; at 10%, fibre transit time was 13 hours. Other dose-specific findings for this arm are not isolated in the reviewed abstract.
Limitations: Single breed and female dogs; experimental meat-based diets. Several abstract results are pooled across inclusion levels. Product effects depend on diet and dose.
Arm beet_pulp_dm_12_5
Beet pulp levels in dog food: stool output and digestion
Direct · dog. 30 female English Pointer dogs in a dietary fibre experiment.
Tested form: Dietary beet pulp replacing corn starch in meat-based diets. Dose: 12.5% of dietary dry matter (Dietary dry-matter inclusion; oral feeding). Duration: Not reported in reviewed abstract. Comparator: Meat-based diet containing 0% beet pulp.
Measured finding: Across graded beet-pulp diets, dry-matter and organic-matter digestibility averaged about 6% below control; wet stool output increased from 117 to 374 g/day across the inclusion range. At 12.5%, defecation averaged 5.2 times/day compared with a mean 2.8 in the other groups.
Limitations: Single breed and female dogs; experimental meat-based diets. Several abstract results are pooled across inclusion levels. Product effects depend on diet and dose.
Arm beet_pulp_dm_2_5
Beet pulp levels in dog food: stool output and digestion
Direct · dog. 30 female English Pointer dogs in a dietary fibre experiment.
Tested form: Dietary beet pulp replacing corn starch in meat-based diets. Dose: 2.5% of dietary dry matter (Dietary dry-matter inclusion; oral feeding). Duration: Not reported in reviewed abstract. Comparator: Meat-based diet containing 0% beet pulp.
Measured finding: Across graded beet-pulp diets, dry-matter and organic-matter digestibility averaged about 6% below control; wet stool output increased with inclusion. The 2.5% diet had a reported fibre transit time of 23.4 hours. The abstract does not provide all dose-specific outcomes for this arm.
Limitations: Single breed and female dogs; experimental meat-based diets. Several abstract results are pooled across inclusion levels. Product effects depend on diet and dose.
Arm beet_pulp_dm_5
Beet pulp levels in dog food: stool output and digestion
Direct · dog. 30 female English Pointer dogs in a dietary fibre experiment.
Tested form: Dietary beet pulp replacing corn starch in meat-based diets. Dose: 5% of dietary dry matter (Dietary dry-matter inclusion; oral feeding). Duration: Not reported in reviewed abstract. Comparator: Meat-based diet containing 0% beet pulp.
Measured finding: Across graded beet-pulp diets, dry-matter and organic-matter digestibility averaged about 6% below control. Wet stool output increased from 117 to 374 g/day across the range. At 12.5%, defecation averaged 5.2 times/day; at 10%, fibre transit time was 13 hours. Other dose-specific findings for this arm are not isolated in the reviewed abstract.
Limitations: Single breed and female dogs; experimental meat-based diets. Several abstract results are pooled across inclusion levels. Product effects depend on diet and dose.
Arm beet_pulp_dm_7_5
Beet pulp levels in dog food: stool output and digestion
Direct · dog. 30 female English Pointer dogs in a dietary fibre experiment.
Tested form: Dietary beet pulp replacing corn starch in meat-based diets. Dose: 7.5% of dietary dry matter (Dietary dry-matter inclusion; oral feeding). Duration: Not reported in reviewed abstract. Comparator: Meat-based diet containing 0% beet pulp.
Measured finding: Across graded beet-pulp diets, dry-matter and organic-matter digestibility averaged about 6% below control. Wet stool output increased from 117 to 374 g/day across the range. At 12.5%, defecation averaged 5.2 times/day; at 10%, fibre transit time was 13 hours. Other dose-specific findings for this arm are not isolated in the reviewed abstract.
Limitations: Single breed and female dogs; experimental meat-based diets. Several abstract results are pooled across inclusion levels. Product effects depend on diet and dose.
Beet pulp and taurine status in dogs on low-protein diets
One study with 1 reviewed arm or dose connection(s).
Arm beet_pulp
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 beet pulp 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: Low-protein purified diets using cellulose or rice bran as alternative fibre sources.
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.
Products listing or mentioning this ingredient
54 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.
- Royal Canin Sterilised 37 Royal Canin Sterilised 37, editorial ingredient summary 2026-09-24; United Kingdom; partial summary Cat; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
- Walker & Drake Puppy Food - Chicken & Duck Cold Pressed Duo Bundle Walker & Drake Puppy Food - Chicken & Duck Cold Pressed Duo Bundle - Puppy Food - Chicken & Duck Cold Pressed Duo Bundle (UK); UK; partial summary Dog; Source data captured; Label verification pending; Recipe or market selection required; Evidence applicability requires the stated ingredient and study review scope
- Walker & Drake Puppy Food Premium Cold Pressed - Duck Walker & Drake Puppy Food Premium Cold Pressed - Duck - Puppy Food Premium Cold Pressed - Duck (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope
- Walker & Drake Small Breed Premium Cold Pressed - Turkey With Rice Walker & Drake Small Breed Premium Cold Pressed - Turkey With Rice - Small Breed Premium Cold Pressed - Turkey With Rice (UK); UK; partial summary Dog; Source data captured; Label verification pending; Evidence applicability requires the stated ingredient and study review scope