Best Dog Fiber Supplements
Fiber plays a crucial role in your dog’s digestive health, supporting everything from regular bowel movements to anal gland function. Whether your dog struggles with diarrhea, constipation, or scooting behaviors, the right fiber supplement can make a significant difference in their comfort and well-being. We’ve researched the most effective dog fiber supplements to help you choose the best option for your furry friend.
Our Top Picks at a Glance
- Best Overall: Glandex Anal Gland Soft Chews — Comprehensive fiber blend with pumpkin and probiotics
- Best Value: Diggin’ Your Dog Firm Up — Pure pumpkin powder that mixes easily into food
- Best Premium: VetriScience Scoot Control — Veterinarian-formulated fiber bars with three fiber types
Quick Comparison
| Product | Key Ingredients | Form | Servings | Best For |
|---|---|---|---|---|
| Glandex Soft Chews | Pumpkin + probiotics | Chewables | 60-120 | Anal gland issues |
| Diggin’ Your Dog Firm Up | Pumpkin + apple pectin | Powder | 60-120 | Best value |
| VetriScience Scoot Control | 3 fiber types | Chew bars | 30 | Chronic scooting |
| Pet Honesty Scoot Stopper | Pumpkin + flaxseed | Chewables | 45 | Digestive health |
| Fruitables Pumpkin Blend | Pumpkin + ginger | Canned | 15-30 | Upset stomachs |
| NaturVet No Scoot | Beet pulp + psyllium | Chewables | 120 | Senior dogs |
| Kin+Kind Fiber Supplement | Organic pumpkin | Powder | 30-60 | Organic preference |
| Perfect Poop Supplement | 4-in-1 formula | Chewables | 60 | Multiple issues |
1. Glandex Anal Gland Soft Chews — Best Overall
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This veterinarian-recommended supplement combines pumpkin seed, probiotics, and digestive enzymes to support healthy anal glands and firm stools.
Glandex uses a unique fiber blend specifically formulated to help dogs naturally express their anal glands through firmer stools. The peanut butter-flavored soft chews are easy to give and loved by most dogs. The formula includes pumpkin seed for fiber, prebiotics and probiotics for digestive health, and omega fatty acids for healthy anal gland function. It’s made in the USA and free from corn, wheat, and soy. Many dog owners report significant reduction in scooting behaviors within days of starting supplementation.
What We Like
- Veterinarian-developed and recommended
- Comprehensive formula with probiotics and enzymes
- Peanut butter flavor dogs love
- Visible results in reducing scooting
What Could Be Better
- Premium price compared to basic fiber supplements
- Some dogs dislike the new formula texture
Bottom Line: The most effective all-around fiber supplement for dogs with anal gland issues and digestive concerns.
2. Diggin’ Your Dog Firm Up — Best Value
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This simple two-ingredient powder provides excellent results at an unbeatable price point.
Firm Up contains just drum-dried pumpkin and apple pectin, making it a pure, natural fiber source. The powder format mixes easily into your dog’s regular food and can be resealed to prevent waste. It’s suitable for both dogs and cats, and many veterinarians recommend it for digestive issues. The simple ingredient list means fewer potential allergens or sensitivities. Pet owners consistently praise its effectiveness for firming up loose stools and supporting overall digestive regularity.
What We Like
- Excellent value for the quantity
- Only two natural ingredients
- Easy to mix with any food
- Veterinarian recommended
What Could Be Better
- Plain powder may not appeal to picky dogs
- Requires measurement and mixing
Bottom Line: The best budget-friendly option that delivers effective fiber supplementation without unnecessary additives.
3. VetriScience Scoot Control — Best Premium
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These veterinarian-formulated fiber bars contain three types of healthy dietary fiber for comprehensive digestive support.
Scoot Control provides nearly 3 grams of dietary fiber per bar through a proprietary blend of larch tree extract, pumpkin powder, and digestion-resistant maltodextrin. The duck-flavored bars are highly palatable and contain no added wheat or corn. This supplement specifically targets scooting behaviors by improving stool quality and supporting natural anal gland expression. The formula also supports immune function through arabinogalactan from larch trees.
What We Like
- Three diverse fiber types for comprehensive support
- Veterinarian formulated specifically for scooting
- Duck flavor dogs find irresistible
- Immune support through larch extract
What Could Be Better
- Higher price per serving
- Bar format may not suit all dogs
Bottom Line: The premium choice for dogs with persistent anal gland issues requiring maximum fiber variety.
4. Pet Honesty Scoot Stopper — Best for Digestive Health
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This comprehensive supplement combines fiber with probiotics and enzymes for complete digestive support.
Pet Honesty’s soft chews provide apple pectin, flaxseed, and pumpkin seed for fiber along with digestive enzymes and probiotics. This 4-in-1 formula supports anal gland function, promotes healthy bowel movements, and improves overall digestive and immune health. The chews are free from harsh chemicals, wheat, soy, and GMOs. Made in the USA following stringent safety standards, these chews offer a holistic approach to digestive wellness.
What We Like
- Combines fiber, probiotics, and enzymes
- Natural ingredients without harsh chemicals
- Supports multiple aspects of digestive health
- Made in USA with quality standards
What Could Be Better
- Some dogs may not like the flavor
- Smaller serving size per container
Bottom Line: Ideal for dogs needing comprehensive digestive support beyond just fiber supplementation.
5. Fruitables Pumpkin Digestive Blend — Best for Upset Stomachs
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This canned formula provides immediate relief for upset stomachs with natural pumpkin and soothing herbs.
Fruitables combines pure pumpkin with spearmint and ginger to soothe digestive distress while providing beneficial fiber. The formula was developed by veterinarians specifically to help with upset stomachs and support healthy GI tract function. It can be served as a food topper, mixed with regular meals, or frozen as a treat. The canned format ensures freshness and makes it easy to add directly to food. Many owners report rapid improvement in digestive symptoms.
What We Like
- Soothing herbs for upset stomachs
- Veterinarian developed formula
- Can be frozen as a treat
- Works quickly and naturally
What Could Be Better
- Requires refrigeration after opening
- Must be used within one week
Bottom Line: The best choice for dogs with acute digestive upset needing immediate soothing relief.
6. NaturVet No Scoot — Best for Senior Dogs
- PREMIUM FIBER FOR DOGS - NO SCOOT -- Supports healthy anal gland function and encourages regular bowel function. Helps provide constipation relief due to the proprietary blend of pumpkin, psyllium husk, and beet pulp.
- DAILY INTAKE = HAPPIER DOG -- We all know how important proper fiber intake and bowel function is in humans. It's time to treat your pet the same way! Daily intake will ensure that your pup is taken care of, even if they somehow sneak an unexpected treat!
- VETERINARIAN-APPROVED -- Minimizes the need for dogs to scoot. Works well on all dog breeds and ages, especially senior animals. Pumpkin, psyllium husk, and beet pulp are all proven & natural ingredients to help keep the digestive system functioning optimally.
- SOFT CHEWS THAT TASTE LIKE A TREAT -- 60 soft chews that taste like a treat, packaged with a re-sealable cup to ensure freshness.
- HEALTHY SOLUTIONS FOR PETS - MADE IN USA: All of our dog supplements are made in the USA with globally sourced ingredients to ensure the highest quality. FDA audited, cGMP compliant facility has been manufacturing top quality pet health supplements since 1994.
This gentle formula with pumpkin, beet pulp, and psyllium husk works well for older dogs with sensitive systems.
NaturVet’s soft chews provide proven natural ingredients to support healthy anal gland and bowel function. The formula includes pumpkin for fiber, beet pulp for bulk, and psyllium husk for regularity. It works well on all dog breeds and ages, with particular effectiveness for senior animals whose digestive systems may be more sensitive. The chews taste like a treat, making daily administration easy. The large 120-count package offers excellent value for ongoing supplementation.
What We Like
- Gentle formula suitable for seniors
- Three complementary fiber sources
- Large 120-count value package
- Suitable for all breeds and ages
What Could Be Better
- May take longer to show results
- Some dogs find them too hard to chew
Bottom Line: Excellent option for older dogs needing gentle, effective fiber support for long-term use.
7. Kin+Kind Fiber Supplement — Best Organic Option
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USDA organic certification ensures the highest quality ingredients for health-conscious pet owners.
This organic powder combines pumpkin and flaxseed to provide balanced soluble and insoluble fiber along with digestive enzymes and prebiotics. The formula supports bowel regularity, healthy gut flora, and firm stools. It contains no GMOs, grains, artificial ingredients, or preservatives. The powder format can be easily sprinkled on food or mixed into meals. Made in the USA by employees paid living wages, this supplement aligns with ethical purchasing values.
What We Like
- USDA organic certification
- Balanced fiber with enzymes and prebiotics
- Free from GMOs and artificial ingredients
- Ethically produced in the USA
What Could Be Better
- Higher price for organic ingredients
- Smaller package size
Bottom Line: The top choice for pet owners prioritizing organic, ethically-produced supplements.
8. Perfect Poop Supplement — Best Multi-Purpose Formula
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This 4-in-1 formula combines fiber, prebiotics, probiotics, and enzymes for comprehensive digestive optimization.
Perfect Poop provides high-fiber grass bits along with prebiotics, probiotics, and enzymes to address multiple digestive issues simultaneously. The natural, grain-free formula relieves digestive problems and optimizes stool quality. It’s made with premium ingredients and is both gluten-free and manufactured in the USA. The cheddar cheese flavor makes it highly palatable. By combining multiple supplements in one, it saves time and money for pet owners dealing with various digestive concerns.
What We Like
- 4-in-1 comprehensive formula
- Addresses multiple digestive issues
- Grain-free with premium ingredients
- Cheddar cheese flavor dogs love
What Could Be Better
- More expensive than single-purpose supplements
- May be overkill for simple fiber needs
Bottom Line: Best for dogs with multiple digestive issues requiring comprehensive nutritional support.
How to Choose
When selecting a fiber supplement for your dog, start by identifying the specific digestive issue you’re trying to address. Dogs with chronic diarrhea benefit from soluble fiber sources like psyllium or pectin that absorb water and help firm stools. Constipated dogs often do better with insoluble fiber that adds bulk and promotes intestinal motility. For anal gland issues manifesting as scooting, look for supplements that specifically target this concern with comprehensive fiber blends designed to create firmer stools that naturally express the glands.
Consider the delivery format based on your dog’s preferences and your convenience. Soft chews work well for dogs who see them as treats and make daily administration effortless. Powder supplements offer flexibility, allowing you to mix them into wet or dry food without detection. Canned pumpkin provides immediate benefits for acute digestive upset. Chew bars deliver concentrated fiber but may not suit dogs with dental issues or very small mouths. Choose a format your dog accepts readily to ensure consistent supplementation.
Examine the ingredient list to understand what type of fiber you’re providing. Pumpkin is a popular choice offering both soluble and insoluble fiber along with beneficial nutrients. Psyllium husk provides excellent soluble fiber that’s gentle on sensitive systems. Beet pulp adds bulk without excess calories. Apple pectin offers highly fermentable soluble fiber. Some premium supplements combine multiple fiber types for comprehensive support. Look for natural ingredients without unnecessary fillers, artificial colors, or common allergens if your dog has sensitivities.
Consider whether your dog needs additional digestive support beyond fiber alone. Many effective supplements combine fiber with probiotics to support beneficial gut bacteria, digestive enzymes to aid nutrient breakdown, or omega fatty acids for anti-inflammatory benefits. These comprehensive formulas can be particularly helpful for dogs with multiple digestive issues. However, if your dog only needs simple fiber supplementation, a pure pumpkin or psyllium product may be more cost-effective and just as beneficial.
Consult your veterinarian before starting fiber supplementation, especially if your dog has existing health conditions, takes medications, or experiences severe or persistent digestive symptoms. Your vet can help determine the appropriate type and amount of fiber based on your dog’s specific situation. They can also rule out underlying medical conditions that require treatment beyond dietary supplementation. Start with lower doses and gradually increase to the recommended amount to allow your dog’s digestive system to adjust and minimize potential gas or bloating.
Benefits
Fiber supplementation provides crucial support for your dog’s digestive health and overall well-being. Fiber helps regulate bowel movements by adding bulk to stool and promoting intestinal motility. For dogs with diarrhea, soluble fiber absorbs excess water in the intestines, firming up loose stools. For constipated dogs, fiber stimulates intestinal movement and draws water into the colon, softening hard stools. This regulatory effect helps many dogs achieve consistent, comfortable bowel movements regardless of their typical digestive tendencies.
One of the most important benefits of fiber supplementation relates to anal gland health. Dogs naturally express their anal glands during defecation when firm stools put appropriate pressure on these glands. Soft or loose stools don’t provide enough pressure, leading to gland impaction and the infamous scooting behavior. Fiber supplements help create firmer, bulkier stools that naturally express the anal glands during elimination, reducing or eliminating the need for manual expression and decreasing scooting behaviors.
Fiber serves as a prebiotic, feeding the beneficial bacteria in your dog’s gut microbiome. These good bacteria ferment soluble fiber, producing short-chain fatty acids that have anti-inflammatory properties and support intestinal health. A healthy gut microbiome contributes to proper digestion, nutrient absorption, and immune function. By supporting these beneficial bacteria, fiber supplementation helps maintain the delicate balance of your dog’s digestive ecosystem, potentially reducing digestive upset and supporting overall health.
For overweight dogs, fiber can aid weight management by creating a feeling of fullness without adding significant calories. The bulk that fiber adds to food helps dogs feel satisfied while consuming fewer calories overall. This can be particularly helpful for dogs on weight-loss diets who might otherwise feel constantly hungry. Additionally, fiber slows the absorption of glucose from the gut, which may help regulate blood sugar levels and reduce fluctuations that can increase appetite. Some high-fiber dog foods are specifically formulated to support healthy weight loss while keeping dogs feeling satisfied.
Frequently Asked Questions
How much fiber does my dog need daily?
Most commercial dog foods contain 2-5% fiber, which is adequate for many dogs. Dogs with digestive issues may benefit from higher fiber intake, typically 5-10% of their diet. The exact amount depends on your dog’s size, age, and specific health needs. Start with the supplement manufacturer’s recommended dosage based on your dog’s weight, and adjust as needed under veterinary guidance. Always increase fiber gradually over several days to prevent gas, bloating, or digestive upset as your dog’s system adjusts.
Can I just feed my dog pumpkin instead of buying supplements?
Plain canned pumpkin (not pie filling) works well as a fiber source and is often more economical than commercial supplements. Use 100% pure pumpkin puree and start with 1-4 tablespoons per meal depending on your dog’s size. However, commercial supplements may offer advantages like precise dosing, additional beneficial ingredients, and longer shelf life. Fresh pumpkin requires refrigeration and must be used within days, while powdered supplements remain stable. For convenience and consistency, many owners prefer supplements.
How long does it take to see results from fiber supplements?
Most dogs show improvement in stool consistency within 24-48 hours of starting fiber supplementation. Anal gland issues may take several days to a week to improve as firmer stools begin naturally expressing the glands. Chronic digestive issues might require 2-4 weeks of consistent supplementation to see full benefits. If you don’t notice any improvement after two weeks, consult your veterinarian to reassess the type or amount of fiber and rule out underlying medical conditions requiring different treatment.
Can fiber supplements cause constipation?
Too much fiber without adequate water intake can potentially cause constipation or intestinal blockage. Always ensure your dog has constant access to fresh water when supplementing with fiber. The increased fiber needs more water to move effectively through the digestive system. If your dog develops constipation, hard dry stools, or straining after starting fiber supplements, reduce the dosage and increase water intake. Contact your veterinarian if constipation persists, as it may indicate an inappropriate fiber type or underlying medical issue.
Are there any side effects to watch for?
Common side effects of fiber supplementation include gas, bloating, and increased stool volume, especially when first starting or when doses are increased too quickly. These effects usually resolve as your dog’s digestive system adjusts. Start with smaller amounts and gradually increase to the recommended dose. More serious concerns include intestinal blockage if your dog doesn’t drink enough water or allergic reactions to specific ingredients. Watch for vomiting, severe diarrhea, loss of appetite, or signs of discomfort, and contact your veterinarian if these occur.
Can puppies take fiber supplements?
Most fiber supplements are safe for puppies, but always check the product label for age recommendations. Puppies’ digestive systems are still developing, so they typically need less fiber than adult dogs. Consult your veterinarian before giving fiber supplements to puppies, especially those under six months old. Veterinarians may recommend fiber supplementation for puppies with persistent diarrhea or other digestive issues, but the underlying cause should always be investigated rather than simply treating symptoms.
Will fiber help with my dog’s gas?
Fiber can both help and worsen gas depending on the type and your dog’s individual system. Rapidly fermentable fibers may initially increase gas production as gut bacteria adjust. However, once established, the right fiber type often reduces gas by supporting healthy gut bacteria and improving overall digestion. If your dog experiences increased gas after starting fiber supplements, try a different fiber source or reduce the amount. Probiotics in combination with fiber often help minimize gas while supporting digestive health.
Should I continue fiber supplements long-term?
Many dogs benefit from long-term fiber supplementation, especially those with chronic anal gland issues or recurring digestive problems. However, some dogs only need temporary supplementation while addressing a specific issue. Work with your veterinarian to determine the appropriate duration for your dog’s situation. If supplementing for anal gland support and scooting stops, you can try gradually reducing the fiber to see if symptoms return. Some dogs maintain better health with permanent supplementation, while others can eventually discontinue use without problem recurrence.
