Best Source Of Fiber For Dogs – Top Picks & Guide

Does your dog sometimes have tummy troubles? Maybe their poop is too soft, or perhaps they seem a bit backed up. These are common signs that your furry friend might need more fiber in their diet. Finding the right fiber source for your dog can feel like a guessing game. You see so many different ingredients on dog food bags and supplements, and you worry about choosing something that actually helps instead of causing more problems.

It’s frustrating when you want your dog to feel their best, but the sheer volume of information about dog nutrition leaves you confused. You want smooth digestion and happy bathroom breaks for your companion, but which ingredient is the magic bullet? Don’t worry; you are not alone in this confusion.

This post cuts through the noise. We will break down the best and safest sources of fiber for dogs. You will learn exactly what fiber does for your pet and how to easily add the right amount to their meals. Stick with us, and you will soon feel confident choosing the perfect fiber boost for your beloved dog.

Top Source Of Fiber For Dogs Recommendations

No. 1
ZEBORA Pumpkin for Dogs - Natural Fiber for Dogs and Cats, Apple, Dog Probiotics for Digestive...
  • All Natural & Vet Formulated Dog Fiber Supplements: With pumpkin, apple, dog probiotics, miscanthus grass, it contains natural fiber source for dog digestive support. We provide more fiber content & lower moisture, which means higher real pumpkin content
  • Digestive Regularity & Gut Health: Combined probiotics for dogs, our dog fiber can help digestions issues more effective. It supports proper gut flora, anti diarrhea for dogs, constipation relief for dogs. Also helps your pets ease through diet transition
  • Healthy Tummy and Firm Poop: Our dog pumpkin is a balanced source of soluble and insoluble fiber that support pet digestive relief for dog, like gas, and boost regular bowel movement. It can help firm the loose stool and naturally empty anal gland
  • No More Waste of Canned Pumpkin: Our easily-stored pumpkin powder for dogs is a perfect alternative to messy pumpkin canned. Say good bye to half used & spoiled cans and make it all simple! There is a scoop included and just use it whenever your dogs need
No. 2
Fiber for Dogs Psyllium Seed Husk Powder & Dehydrated Beet Root Powder Aids a Number of Intestinal...
  • Keeps Dogs Regular, Naturally: Fiber for Dogs aids a number of intestinal disorders in dogs including diarrhea, constipation & anal gland issues. Formulated with all-natural ingredients that help keep your dog regular, naturally, Fiber for Dogs contains psyllium seed husk powder and non-gmo dehydrated beet root powder as the only two ingredients and is free of preservatives, artificial flavorings and colors.
  • Veterinary Formulated: Fiber for Dogs was developed and formulated in conjunction with a veterinarian to ensure an effective product to specifically address intestinal issues for dogs. Fiber for Dogs is manufactured in a New Jersey-based GMP (Good Manufacturing Practice) Certified Manufacturing Facility.
  • Making it Easy: Fiber for Dogs is easy to use, convenient, portable and safe. With no refrigeration needed Fiber for Dogs has a long shelf life and is great for travel.
  • Fill Level: The density of the powdered ingredients contained in this product requires space in the container at the time of packaging and for the enclosed free scoop. Over time the powders settle causing the container to appear less than full than when it was first packaged. This product contains 12 oz. of Fiber for Dogs powder.
No. 3
Daybreak Nutrition Fiber for Dogs Psyllium Husk, Beet Root, Dandelion Root, and Prebiotics to Aid in...
  • CANINE FIBER & PREBIOTICS FOR OPTIMAL PERFORMANCE: Our proprietary fiber supplement for dogs strengthens and promotes a healthy digestive system for dogs of every age and size. A healthy digestive system helps keep your dog feeling great.
  • MAXIMUM STRENGTH, PREMIUM INGREDIENTS - The best fiber supplement for dogs was developed with a mixture of high quality ingredients and scientific expertise to maximize the effectiveness for dogs.
  • ALL NATURAL FIBER FOR DOGS - Containing all natural ingredients like Flaxseed, Psyllium Husk, Beet Root, Dandelion Root, Prebiotics, and real beef liver powder, Daybreak Nutrition's Fiber for Dogs is free of soy, corn, and doesn't contain any additives or fillers
  • DIGESTIVE SUPPORT FOR DOGS - Help your dog say goodbye to diarrhea, constipation, anal gland issues, and overall discomfort due to their digestive system. Stop the scooting today with Daybreak Nutrition's Fiber for Dogs!
No. 4
Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes, Probiotics...
  • SUPPORTS HEALTHY ANAL GLANDS: Glandex is scientifically formulated to support healthy anal glands. With key ingredients including pumpkin seed, Glandex promotes natural emptying of the anal glands & supports digestive health & seasonal allergies. PACKAGING MAY VARY
  • GUARANTEED TO BOOT THE SCOOT: Glandex results are guaranteed to help your pet "Boot the Scoot!” in 3-5 weeks & comes with a 100% satisfaction guarantee.
  • VETERINARIAN RECOMMENDED: Glandex is recommended by thousands of veterinarians worldwide & was developed by leading veterinarians to specifically support healthy anal gland function
  • PATENTED FORMULA: Glandex’s patented formula includes natural ingredients to keep your dog's anal glands healthy including a Unique Fiber Blend, Omega Fatty Acids, Digestive Enzymes, Prebiotics & Probiotics
No. 5
Perfect Poop Digestion & General Health Supplement for Dogs: Fiber, Prebiotics, Probiotics & Enzymes...
  • HEALTH STARTS IN THE GUT: High Fiber Grass Bits naturally revitalize your pet's digestive tract to relieve digestive issues including diarrhea, constipation, upset stomach, stalled digestion, bloating and food intolerance; Reduces gas, stool odor, bad breath and firms up poop
  • HELP YOUR DOG FEEL THEIR BEST: Bolster your dog's immune system and overall health; Increase absorption of nutrients and vitamins to help tackle common pet concerns such as allergies, skin, coat, itching, licking, infection, low energy, weight loss, mood, sensitive stomach, and more
  • COMPLETE 4 IN 1 FORMULA: Combines premium Fibers, Prebiotics, Probiotics and Enzymes to supercharge your pet's digestive system. These four building blocks unite to form a high fiber solution that heals and maintains your dog's gut
  • 4 IN 1 FORMULA SAVES TIME AND MONEY: Stop buying separate supplements; save time and money by buying one solution that combines them all; Solid grass bits mix in well with your dog's food or can be served as treat or topper; No more powders stuck at the bottom of the bowl or floating in the air like other brands; Serving size varies based on weight - One bag will last a 50 lb dog a little over a month
No. 6
Fera Pets Cat & Dog Pumpkin Plus - Fiber Supplement - USDA Organic - Supports Gut & Digestive Health...
  • Organic fiber powder: Fera’s fiber supplement powder is packed with 7 organic ingredients to help with regularity and balance the digestive system; our pumpkin for dogs and cats is rich in insoluble fiber from flax seed and coconut for the heart and gut
  • No fillers: This certified organic formula is made with organic pumpkin seeds, organic flax seed, organic ginger, organic pumpkin, apple fiber, and organic Jerusalem artichoke, a prebiotic for bowel regulation
  • Veterinarian formulated: Cat and dog fiber supplements crafted by our Co-Founder, Veterinarian Dr. Dulake; pumpkin powder for dogs and cats bears the NASC quality seal, is made in the USA, GMP-compliant, and doesn’t contain colors, dyes or preservatives
  • Feeding guide: Feed our organic fiber supplement as cat or dog food toppers by adding to dog food or cat food with the scoop; scoop is equivalent to ½ teaspoon; under 25lbs, give 1tsp; 26-50lbs, give 2tsp; 51-75lbs, give 3tsp; over 76lbs, give 4tsp
No. 7
Fiber for Dogs Psyllium Seed Husk Powder & Dehydrated Beet Root Powder Aids a Number of Intestinal...
  • Keeps Dogs Regular, Naturally: Fiber for Dogs aids a number of intestinal disorders in dogs including diarrhea, constipation & anal gland issues. Formulated with all-natural ingredients that help keep your dog regular, naturally, Fiber for Dogs contains psyllium seed husk powder and non-gmo dehydrated beet root powder as the only two ingredients and is free of preservatives, artificial flavorings and colors.
  • Veterinary Formulated: Fiber for Dogs was developed and formulated in conjunction with a veterinarian to ensure an effective product to specifically address intestinal issues for dogs. Fiber for Dogs is manufactured in a New Jersey-based GMP (Good Manufacturing Practice) Certified Manufacturing Facility.
  • Making it Easy: Fiber for Dogs is easy to use, convenient, portable and safe. With no refrigeration needed Fiber for Dogs has a long shelf life and is great for travel.
  • Fill Level: The density of the powdered ingredients contained in this product requires space in the container at the time of packaging and for the enclosed free scoop. Over time the powders settle causing the container to appear less than full than when it was first packaged. This product contains 6 ounces of Fiber for Dogs powder.
No. 8
BARK&SPARK Pumpkin for Dogs - Powdered Fiber Supplement and Stool Softener - Treat Diarrhea,...
  • High Fiber to the Rescue - dry pumpkin powder is natural fiber source for dogs and cats, and is essential for healthy digestion, as it ease diarrhea, soft stool, constipation and other digestive problems.
  • Yummy and as Easy to Serve as Canned Pumpkin - every picky eater among our canine customers will love dried pumpkin added over food or in puree form. Easily mixed into puray (directions on the label, serving scoop included)
  • Bark&Spark Commitment - we are keen to give best to our furry customers and we take no compromise when it comes to product quality. Our products are made in USA with human grade ingredients.
  • Best Value - with 6.5 ounce you will get up to 2 month supply of premium dehydrated fiber supplement at a reasonable price, keeping your pet healthy while not spending a fortune on overpriced supplements. Suitable for puppy and senior dog of all breeds.

The Ultimate Buying Guide: Finding the Best Fiber Source for Your Dog

Adding the right amount of fiber to your dog’s diet can make a big difference in their health. Fiber helps keep their digestion running smoothly. It can help with both constipation and loose stools. Choosing the best fiber source requires knowing what to look for. This guide will help you make a smart choice for your furry friend.

Key Features to Look For

When you shop for dog fiber supplements or foods, check for these important features:

  • Soluble vs. Insoluble Fiber: Good sources contain a mix of both. Soluble fiber (like that in pumpkin) absorbs water and forms a gel, which helps firm up loose stool. Insoluble fiber (like in cellulose) adds bulk and helps move food through the gut faster.
  • Purity and Additive-Free: The best products contain just the fiber source. Avoid supplements loaded with artificial colors, flavors, or unnecessary fillers.
  • Dosage Clarity: The packaging must clearly explain how much fiber is in a serving and how much you should give your dog based on their weight.

Important Materials: What Fiber Sources Are Best?

Different natural ingredients offer different types of fiber. Here are some top materials dog owners often use:

  • Canned Pumpkin (Pureed): This is a favorite for many vets. It is easy to find and offers a great balance of soluble fiber. Make sure you buy 100% pure pumpkin, not pumpkin pie filling, which has sugar and spices.
  • Psyllium Husk: This is a potent source of soluble fiber. It swells up significantly when wet. Use this one carefully, as too much can cause blockage if your dog doesn’t drink enough water.
  • Beet Pulp: Often found in high-quality commercial dog foods, beet pulp is a good source of both fiber types. It supports healthy gut bacteria.
  • Ground Flaxseed: Flaxseed provides fiber and healthy Omega-3 fatty acids. It must be ground for dogs to digest it properly.
Factors That Improve or Reduce Quality

The quality of the fiber source really matters for your dog’s safety and effectiveness.

Factors That Improve Quality:
  • Natural Origin: Fiber derived directly from whole foods (like pumpkin or oats) is generally better than highly processed, isolated fibers.
  • High Digestibility (for the dog): Even though fiber isn’t “digested” for energy, the gut needs to process it well. Well-tolerated sources lead to fewer gas issues.
  • Freshness: If you use fresh ingredients, ensure they are not spoiled.
Factors That Reduce Quality:
  • Added Sugars or Salts: Products marketed for human use, like certain canned fruit products, might harm your dog.
  • Too Much Insoluble Fiber Alone: If a supplement is mostly harsh, insoluble fiber without enough moisture, it can cause severe constipation.
  • Inconsistent Sourcing: If you buy large batches of loose fiber, check that the source remains consistent batch to batch.

User Experience and Use Cases

How you use the fiber source impacts your dog’s acceptance and results. Fiber is usually added to your dog’s regular food.

Common Use Cases:
  • For Mild Diarrhea: A small amount of pure canned pumpkin (soluble fiber) is usually recommended. It binds the loose stool.
  • For Constipation: Increasing water intake alongside a moderate amount of fiber (like psyllium husk mixed well with water) helps soften the stool and encourage movement.
  • Weight Management: Some owners add low-calorie fiber to meals to help their dog feel fuller longer, which can aid in dieting.

Tip for Use: Always mix powdered or dry fiber sources thoroughly with a lot of water or wet food. Dogs often refuse fiber if it is dry and powdery on top of their kibble. Start small and watch your dog closely for the first few days.


10 Frequently Asked Questions (FAQ) About Dog Fiber Sources

Q: How much fiber does my dog actually need?

A: Most commercial dog foods have enough fiber. If you add a supplement, aim for about 1-2 tablespoons of pure pumpkin per 50 pounds of dog weight daily, but always check with your veterinarian first.

Q: Can I give my dog too much fiber?

A: Yes, too much fiber can cause problems. It can lead to gas, bloating, stomach cramps, or even blockages if the dog doesn’t drink enough water.

Q: Is bread a good source of fiber for dogs?

A: No. While bread has some fiber, it is mostly empty calories and can upset your dog’s stomach. Stick to whole food sources like pumpkin or vet-approved supplements.

Q: Should I choose soluble or insoluble fiber?

A: A good diet needs both. Soluble fiber helps firm up loose stool, while insoluble fiber helps bulk up dry, hard stool.

Q: What is the safest fiber source to start with?

A: Pure canned pumpkin is usually the safest and easiest starting point for most dogs.

Q: How long does it take for fiber to work?

A: If fiber is helping with diarrhea, you might see improvement within 24 to 48 hours. For constipation, it might take 1 to 3 days.

Q: Can I use Metamucil for my dog?

A: Some vets approve plain psyllium husk, which is what Metamucil is. However, you must use the unflavored version without added sugar or sweeteners like xylitol, which is toxic to dogs.

Q: Does fiber help dogs lose weight?

A: Fiber can help manage weight because it makes dogs feel full. It replaces some calories with bulk that doesn’t add nutrition.

Q: Is cooked sweet potato a good alternative to pumpkin?

A: Yes, cooked and mashed sweet potato is another excellent, safe source of fiber and nutrients for dogs.

Q: When should I call the vet instead of adding fiber?

A: Call your vet immediately if your dog has severe vomiting, is straining hard with no results, or if the diarrhea lasts longer than two days despite adding fiber.