I N C E P T I O N A I
  1. Pet supplies
  2. Dogs
  3. Dog health and wellness
  4. Digestive and probiotic supplements for dogs
  5. Fiber supplements for dogs
  6. Soluble fiber supplements for dogs

2025 Guide: Top 5 Soluble Fiber Supplements for Dogs in Canada - Vet-Reviewed Picks to Calm GI Upsets and Normalize Stool

Published on Thursday, August 21, 2025

Soluble fiber supplements dissolve in water to form a gentle gel that soothes the gut and supports healthy digestion in dogs. Common sources such as psyllium and inulin are widely used to manage constipation, reduce episodes of diarrhea, and regulate stool consistency — benefits that make soluble-fiber formulas a practical choice for many pet owners. In the Canadian market, consumer preferences tilt toward products with recognizable, natural ingredients, clear dosing instructions, veterinary endorsement or clinical backing, and convenient formats like powders, gels, and chews. Pet owners also look for multi-functional formulas that pair soluble fiber with probiotics or digestive enzymes, third-party testing or transparent sourcing, and Canadian availability or reliable shipping. Emerging trends in 2025 show stronger demand for gut-health blends, cleaner labels, and easy-to-administer options for small and large dogs alike.

Quick Menu

1. Best Fast-Acting Soluble-Fiber Gel

2. Best Daily Soluble-Fiber Blend

3. Best Soluble-Fiber Anal-Gland Support

4. Best Enzyme+Probiotic for Soluble-Fiber Diets

5. Best All-in-One Soluble-Fiber Formula

1
BEST FAST-ACTING SOLUBLE-FIBER GEL

Vetoquinol Pro-Pectalin Anti-Diarrheal Gel

Vetoquinol Pro-Pectalin Anti-Diarrheal Gel

Vetoquinol Pro-Pectalin holds a market-leader position for soluble fiber needs focused on acute stool firming because it is a veterinary-formulated pectin-based gel designed to quickly reduce diarrheal episodes. Compared with more general digestive supports on this list, Pro-Pectalin's technical advantage is its targeted, fast-acting stool-binding action backed by a veterinary manufacturer—an option often chosen when rapid symptom control is worth the typically higher per-dose cost.

4.3
★★★★☆
  • Stops loose stool

  • Vet-formulated gel

  • Stops loose stool

  • Vet-formulated gel

Review Summary

86%

"Users report Pro-Pectalin is fast-acting and effective at reducing acute diarrhea and firming stools, with many owners noting clear improvement after one dose; a few reviewers mention it doesn't solve underlying chronic issues. Overall it's considered a reliable, vet-formulated short-term solution."

  • Gentle gel hug

  • Gel formulation designed for rapid relief of acute diarrhea in dogs.

  • Gentle gel hug

  • Gel formulation designed for rapid relief of acute diarrhea in dogs.

Increased Safety & Security

Time-Saving Convenience

Vetoquinol Pro-Pectalin holds a market-leader position for soluble fiber needs focused on acute stool firming because it is a veterinary-formulated pectin-based gel designed to quickly reduce diarrheal episodes. Compared with more general digestive supports on this list, Pro-Pectalin's technical advantage is its targeted, fast-acting stool-binding action backed by a veterinary manufacturer—an option often chosen when rapid symptom control is worth the typically higher per-dose cost.

  • Stops loose stool

  • Vet-formulated gel

  • Gentle gel hug

  • Gel formulation designed for rapid relief of acute diarrhea in dogs.

  • Helps bind and firm loose stools to restore normal consistency.

  • Stops loose stool

  • Vet-formulated gel

  • Gentle gel hug

  • Gel formulation designed for rapid relief of acute diarrhea in dogs.

  • Helps bind and firm loose stools to restore normal consistency.

Order Now

$18-30 CAD

2
BEST DAILY SOLUBLE-FIBER BLEND

Bernie's Perfect Poop Digestive Support

Bernie's

Bernie's Perfect Poop is recognized for delivering accessible, whole-food soluble fiber blends (pumpkin/psyllium-style ingredients) that help normalize stool consistency and are easy to add to meals. Against the other entries, it stands out as a budget-friendly, palatable daily-maintenance choice that emphasizes natural fiber sources rather than clinical actives, making it a practical preventive option for owners who prefer food-based fiber over veterinary gels or powders.

4.1
★★★★☆
  • Firms soft stool

  • Pumpkin-powered fiber

  • Firms soft stool

  • Pumpkin-powered fiber

Review Summary

80%

"Bernie's Perfect Poop is frequently praised for improving stool firmness and regularity over a few days to weeks, though some find it pricey and notice slower results in chronic cases. Most buyers appreciate the natural-fiber formula and palatability for repeated use."

  • Palatable powder

  • Powdered fiber supplement intended to help normalize stool consistency.

  • Palatable powder

  • Powdered fiber supplement intended to help normalize stool consistency.

Increased Safety & Security

Time-Saving Convenience

Bernie's Perfect Poop is recognized for delivering accessible, whole-food soluble fiber blends (pumpkin/psyllium-style ingredients) that help normalize stool consistency and are easy to add to meals. Against the other entries, it stands out as a budget-friendly, palatable daily-maintenance choice that emphasizes natural fiber sources rather than clinical actives, making it a practical preventive option for owners who prefer food-based fiber over veterinary gels or powders.

  • Firms soft stool

  • Pumpkin-powered fiber

  • Palatable powder

  • Powdered fiber supplement intended to help normalize stool consistency.

  • Mixes easily with food for simple daily administration.

  • Firms soft stool

  • Pumpkin-powered fiber

  • Palatable powder

  • Powdered fiber supplement intended to help normalize stool consistency.

  • Mixes easily with food for simple daily administration.

Order Now
From 22.80$
3
BEST SOLUBLE-FIBER ANAL-GLAND SUPPORT

Glandex Anal Gland Support Powder

Glandex Anal Gland Support Powder

Glandex is a category leader for dogs needing targeted anal gland support, combining soluble-fiber ingredients with specific botanicals to promote firmer stools and natural gland expression. Its unique selling point versus broader digestive supplements is the focused formulation intended to reduce anal gland issues and potential vet interventions, which can represent a cost-saving technical advantage for dogs with chronic gland problems.

4.3
★★★★☆
  • Supports anal glands

  • Firms stool naturally

  • Supports anal glands

  • Firms stool naturally

Review Summary

88%

"Glandex is widely rated effective for reducing scooting and need for frequent anal gland expression after consistent use for several weeks; some users caution it takes time and isn't an instant fix. Overall feedback is strongly positive for dogs with recurring gland issues."

  • Chicken-flavor lure

  • Fiber-focused powder formulated to promote firmer stools that aid natural anal gland expression.

  • Chicken-flavor lure

  • Fiber-focused powder formulated to promote firmer stools that aid natural anal gland expression.

Increased Safety & Security

Time-Saving Convenience

Glandex is a category leader for dogs needing targeted anal gland support, combining soluble-fiber ingredients with specific botanicals to promote firmer stools and natural gland expression. Its unique selling point versus broader digestive supplements is the focused formulation intended to reduce anal gland issues and potential vet interventions, which can represent a cost-saving technical advantage for dogs with chronic gland problems.

  • Supports anal glands

  • Firms stool naturally

  • Chicken-flavor lure

  • Fiber-focused powder formulated to promote firmer stools that aid natural anal gland expression.

  • Designed for daily use to reduce scooting and anal gland issues over time.

  • Supports anal glands

  • Firms stool naturally

  • Chicken-flavor lure

  • Fiber-focused powder formulated to promote firmer stools that aid natural anal gland expression.

  • Designed for daily use to reduce scooting and anal gland issues over time.

Order Now

$30-50 CAD

4
BEST ENZYME+PROBIOTIC FOR SOLUBLE-FIBER DIETS

NaturVet Digestive Enzymes Plus Probiotic

NaturVet

NaturVet Digestive Enzymes Plus Probiotic positions itself as a complementary technical solution by pairing enzymes and probiotics to improve nutrient breakdown and microbiome balance, which can enhance the effectiveness of soluble-fiber regimens. Compared to standalone fiber products, its financial and practical advantage is consolidating digestive support into a single product—reducing the need to purchase separate enzyme, probiotic, and fiber supplements for everyday digestive health.

3.8
★★★☆☆
  • Enzyme digestion boost

  • Probiotic gut balance

  • Enzyme digestion boost

  • Probiotic gut balance

Review Summary

72%

"NaturVet Digestive Enzymes Plus Probiotic gets mixed reviews—many owners see improved digestion and less gas, but a notable portion report little to no change or inconsistent results between batches. It's considered affordable and worth trying, though results vary by dog."

  • Chewable treat

  • Chewable tablets combining digestive enzymes and probiotics to support breakdown of food.

  • Chewable treat

  • Chewable tablets combining digestive enzymes and probiotics to support breakdown of food.

Increased Safety & Security

Time-Saving Convenience

NaturVet Digestive Enzymes Plus Probiotic positions itself as a complementary technical solution by pairing enzymes and probiotics to improve nutrient breakdown and microbiome balance, which can enhance the effectiveness of soluble-fiber regimens. Compared to standalone fiber products, its financial and practical advantage is consolidating digestive support into a single product—reducing the need to purchase separate enzyme, probiotic, and fiber supplements for everyday digestive health.

  • Enzyme digestion boost

  • Probiotic gut balance

  • Chewable treat

  • Chewable tablets combining digestive enzymes and probiotics to support breakdown of food.

  • Aids stool quality and overall digestion when given with meals.

  • Enzyme digestion boost

  • Probiotic gut balance

  • Chewable treat

  • Chewable tablets combining digestive enzymes and probiotics to support breakdown of food.

  • Aids stool quality and overall digestion when given with meals.

Order Now
-31%34.31$
Suggested Price: 49.49$
5
BEST ALL-IN-ONE SOLUBLE-FIBER FORMULA

Wholistic Pet Organics Digest-All Plus

Wholistic Pet Organics Digest-All Plus

Wholistic Pet Organics Digest-All Plus is a comprehensive digestive formula that blends soluble-fiber sources with enzymes and probiotics for broad-spectrum support, making it well-suited for long-term maintenance and multi-symptom cases. Relative to the other products, its technical strength is the all-in-one approach that can lower overall spend and simplify routines for owners who prefer a single supplement to cover fiber, microbial balance, and enzymatic digestion rather than buying several specialized items.

4.2
★★★★☆
  • Full-spectrum enzymes

  • Soothes digestion

  • Full-spectrum enzymes

  • Soothes digestion

Review Summary

83%

"Wholistic Pet Organics Digest-All Plus is commonly reported to improve stool quality, reduce gas, and aid sensitive stomachs over several weeks, with most dogs accepting the taste; a few users find it expensive or too slow for acute problems. Overall buyers view it as a comprehensive, effective long-term supplement."

  • Tasty sprinkle

  • Comprehensive powder blending soluble fiber with enzymes and probiotics for broad digestive support.

  • Tasty sprinkle

  • Comprehensive powder blending soluble fiber with enzymes and probiotics for broad digestive support.

Increased Safety & Security

Time-Saving Convenience

Wholistic Pet Organics Digest-All Plus is a comprehensive digestive formula that blends soluble-fiber sources with enzymes and probiotics for broad-spectrum support, making it well-suited for long-term maintenance and multi-symptom cases. Relative to the other products, its technical strength is the all-in-one approach that can lower overall spend and simplify routines for owners who prefer a single supplement to cover fiber, microbial balance, and enzymatic digestion rather than buying several specialized items.

  • Full-spectrum enzymes

  • Soothes digestion

  • Tasty sprinkle

  • Comprehensive powder blending soluble fiber with enzymes and probiotics for broad digestive support.

  • Supports stool consistency, reduces gas, and promotes nutrient absorption.

  • Full-spectrum enzymes

  • Soothes digestion

  • Tasty sprinkle

  • Comprehensive powder blending soluble fiber with enzymes and probiotics for broad digestive support.

  • Supports stool consistency, reduces gas, and promotes nutrient absorption.

Order Now

$25-45 CAD

What Research Says About Soluble Fiber for Dogs

Scientific research and clinical experience support several of the claims commonly made about soluble fiber in canine diets. Studies and veterinary reviews indicate that soluble fibers form a viscous matrix in the gut, which can help normalize transit time, bulk stools when needed, and soothe irritated intestinal lining. When combined with probiotics or enzymes, soluble fiber supplements may provide additional support by promoting beneficial bacterial growth and improving overall digestive function. While results vary by ingredient, dose, and the individual dog, the underlying mechanisms are well understood and repeatedly observed in veterinary practice.

Psyllium husk forms a gel that increases stool moisture and bulk, which can help with both constipation and loose stools when dosed appropriately.

Inulin and short-chain fructooligosaccharides act as prebiotics, selectively feeding beneficial gut bacteria and supporting microbial balance.

Clinical trials and case series reported in veterinary journals show improvements in stool consistency and reduced GI upset when soluble fiber is added to therapeutic protocols.

Combining soluble fiber with probiotics or digestive enzymes often delivers better outcomes than fiber alone for dogs with chronic or recurring digestive symptoms.

Hydration and gradual dosing are important: rapid introduction of fiber without sufficient water can worsen constipation; veterinarians recommend titrating doses over several days.

Consultation with a veterinarian is advised before starting supplements, especially for dogs with underlying conditions, medication interactions, or severe GI disease.

In Canada, soluble fiber supplements are a practical, science-backed tool for managing common digestive concerns in dogs. The top 5 options highlighted here include Vetoquinol Pro-Pectalin Anti-Diarrheal Gel, Bernie's Perfect Poop Digestive Support, Glandex Anal Gland Support Powder, NaturVet Digestive Enzymes Plus Probiotic, and Wholistic Pet Organics Digest-All Plus. For most owners seeking an all-around, easy-to-dose soluble fiber and gut support option, Bernie's Perfect Poop Digestive Support stands out as the best choice on this list due to its targeted formula and wide availability. We hope you found what you were looking for; if you want to refine or expand your search, use the site search to compare ingredients, formats, and veterinarian recommendations across these products.

Discover More
  • Insoluble Fiber Supplements for Dogs
  • Natural Food-Based Fiber Supplements for Dogs
  • Fiber Powder Supplements for Dogs
  • Fiber Chews for Dogs
  • Fiber Capsules and Tablets for Dogs

Copyright © 2025 InceptionAi Inc.

Trademark Policy

Articles

About Us

Contact Us

Careers

Sitemap