
Fiber is an essential part of a dog's diet, helping to regulate their bowels, prevent constipation, and maintain digestive health. While commercial dog food should provide the bulk of their fiber intake, older dogs may require additional fiber supplementation. Natural sources of fiber, such as fresh fruits and vegetables, can be added to their diet, but it is important to avoid processed options high in sodium. Over-the-counter fiber supplements are also available but should be used cautiously and in consultation with a veterinarian.
| Characteristics | Values |
|---|---|
| Why add fiber to a dog's diet? | Regulate bowels, prevent constipation, aid digestive health, promote colon health, boost the immune system, regulate blood pressure, aid weight management, and maintain blood sugar levels. |
| How to add fiber to a dog's diet | Switch to a high-fiber dog food, add natural sources of fiber such as fruits and vegetables, or use fiber supplements. |
| Natural sources of fiber | Apples, carrots, green beans, spinach, kale, broccoli, blueberries, sweet potatoes, brown rice, and pumpkin. |
| Commercial sources of fiber | Natures Menu Complete & Balanced 60/40 nuggets, DOG Fibre, and PetLab Co. |
| Precautions | Consult a veterinarian before making dietary changes, especially for senior dogs or those with health issues. Avoid canned vegetables with added salt or sugar, and do not feed dogs the cores or seeds of apples as they can be toxic. |
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What You'll Learn

High-fibre dog food options
Fibre is an essential nutrient for dogs, and most commercial dog foods contain some fibre. However, some dogs may require more fibre in their diet than others, and commercial dog foods may not meet these needs, especially for senior dogs. If your dog is experiencing constipation, bloody stools, anal gland issues, or diabetes, they may need more fibre in their diet.
Before making any dietary changes, it is important to discuss with your vet how to add fibre to your dog's diet and whether your dog needs more fibre. It is possible for dogs to have too much fibre, which can cause weight loss, flatulence, bloating, diarrhoea, and vomiting.
There are several high-fibre dog food options available, including:
- Royal Canin's special weight care line, which offers customised high-fibre food for breeds of all sizes.
- Dr. Tim's Metabolite Weight Management Formula.
- Instinct Raw Boost Mixers Gut Health.
- Chewy's house brand, American Journey, which is an affordable option that features deboned duck and sweet potatoes.
- Nom Nom's fresh food, which offers high fibre and protein in a limited-ingredient package.
- Ollie's fresh foods, which boast a short ingredient list and high protein content on a subscription basis.
In addition to these commercial options, you can also add natural sources of fibre to your dog's diet, such as:
- Fresh fruits and vegetables, including Brussels sprouts, broccoli, carrots, green beans, beetroot pulp, apples, and blueberries.
- Porridge made with water.
- Brown rice.
- Pumpkin, either cooked or pureed.
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Natural fibre sources
Fibre is an essential nutrient for dogs and can be found in many natural sources. It is a type of carbohydrate that helps dogs digest other foods and serves several important functions for a dog's health. There are two types of fibre: soluble and insoluble. Soluble fibre dissolves in water and helps feed the good bacteria in your dog's gut, while insoluble fibre does not dissolve. It is important that dogs get both types of fibre in their diet.
Pumpkin
Pumpkin is a popular source of fibre for dogs and can be found in most grocery stores year-round. It is high in soluble, prebiotic fibre, which aids in digestion and supports the growth of good bacteria in your dog's gut. Start with a small amount, such as a teaspoon, and gradually increase to avoid any digestive issues. Canned pumpkin is a convenient option, but be sure to choose plain, pureed pumpkin without any added sugar, spices, or other ingredients.
Psyllium
Psyllium is a natural fibre supplement that is rich in prebiotic fibre. It can be found in powdered form and mixed with your dog's food. Start with a small amount, such as half a teaspoon for small dogs, and increase gradually. Psyllium can also be found in supplements like EverRoot® and Vetasyl, which are recommended by veterinarians.
Fruits and Vegetables
Certain fruits and vegetables can be a good source of fibre for dogs. Apples, carrots, and green beans are all safe options. When feeding apples, remove the core and seeds as they can be toxic to dogs. Carrots can be fed raw or cooked and provide additional vitamins. Green beans should be steamed or frozen to make them easier for your dog to digest. Other options include beetroot pulp, blueberries, and spinach. However, it is important not to rely solely on fruits and vegetables for fibre, as they may not provide enough, especially for dogs with digestive problems.
High-Fibre Dog Food
Some dog food brands offer recipes that are specifically designed to be high in fibre. These foods may include ingredients such as Brussels sprouts, broccoli, carrots, and green beans. Choosing a complete and balanced high-fibre dog food is the most reliable way to ensure your dog is getting enough fibre in their diet.
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Fibre supplements
Fibre is an essential part of a dog's diet, helping to regulate their bowels and prevent constipation. While commercial dog food usually contains adequate amounts of fibre, some dogs may require more fibre in their diet than others. For instance, senior dogs are more prone to constipation and may need more fibre to keep things regular. If your dog is experiencing constipation, it is worth talking to your vet before making any dietary changes.
If your vet recommends adding more fibre to your dog's diet, there are several fibre supplements available. Over-the-counter psyllium-based powdered fibre supplements can be used to relieve constipation, but they should be used cautiously to avoid adding too much fibre too quickly and causing diarrhoea. Sugar-free formulations should be avoided to prevent potential exposure to xylitol, which is toxic to dogs.
Your vet may also recommend a soluble fibre supplement like Metamucil or Vetoquinol's Pro-Pectalin for dogs with chronic diarrhoea. These supplements can help to absorb water and firm up stools. Other ingredients to look for include kaolin, which can reduce intestinal inflammation, and probiotics, which can support beneficial gut bacteria.
If your dog needs more fibre but is struggling to eat the fibre sources in fresh food, your vet may suggest a fibre supplement like Benefiber. This supplement contains soluble non-viscous fibres like wheat dextrin to create less bulky stools. It's important to remember that supplements should be used in addition to your dog's regular meals, not as a replacement.
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Fruits and vegetables
Fibre is a vital nutrient for dogs, and there are plenty of ways to add fibre to your dog's diet through fruits and vegetables. Fibre aids in regulating bowel movements and promoting a healthy digestive system, preventing constipation and diarrhoea. It can also help with weight management, as it helps dogs feel full with fewer calories.
There are two types of fibre: soluble and insoluble. Soluble fibre can be broken down by the body and turned into short-chain fatty acids that the cells within the large intestine use as an energy source. Insoluble fibre is not digestible and passes through the digestive system mostly unchanged, adding bulk to food without adding calories and helping to stimulate bowel movements.
When adding fruits and vegetables to your dog's diet, it is important to ensure that these items do not make up more than 10% of their total caloric intake, according to Dr. Boehme. It is also crucial to feed these items in moderation, as excessive amounts can lead to bloating and discomfort.
Some excellent sources of fibre from fruits include:
- Strawberries
- Blueberries
- Apples
Vegetables that are rich in fibre include:
- Spinach
- Kale
- Green beans
- Broccoli
- Carrots
- Peas
- Sweet potatoes
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Senior dog considerations
Senior dogs have unique dietary requirements, and as dogs age, they often need less protein and more fibre in their diet. However, since there is no recognised life stage for senior dogs, commercial dog foods may not meet these needs. Therefore, it is important to consider fibre supplementation for senior dogs, especially if they develop chronic gastrointestinal issues. Adequate fibre can help older dogs maintain their digestive health and overall well-being.
The easiest way to boost your senior dog's fibre intake is to add high-fibre foods to their meals. Pumpkin, for example, is a readily available superfood that can be easily incorporated into your dog's diet. It is nutrient-dense, low in calories, and rich in flavour, making it a popular choice. Smaller dogs will only need about a tablespoon of canned pumpkin puree added to their meals, while larger dogs may require up to a quarter of a cup. It is recommended to start slowly and gradually increase the amount of pumpkin to avoid digestive issues.
Green beans are another excellent whole food option that is affordable, natural, and low in calories. They are a great way to add fibre to your senior dog's diet while also providing essential nutrients like vitamin C, iron, and vitamins B1, B3, and B6. Canines can safely consume raw, cooked, or canned green beans, as long as they are not cooked in oils, butter, spices, or salt, which could cause potential health problems.
Additionally, ground flaxseed is a powerful superfood rich in dietary fibre and other essential vitamins and minerals. It can also improve your dog's skin and coat due to its omega-3 and omega-6 fatty acid content. It is important to only feed your dog organic processed flaxseed meal to prevent potential health issues associated with raw or unprocessed flaxseed.
Apples are another high-fibre food option for senior dogs, but they should be consumed in moderation due to their high sugar content. Organic apples are preferable to reduce pesticide ingestion, and they should always be thoroughly washed before serving. The recommended amount of apples for senior dogs varies depending on their size, with toy and miniature dogs requiring smaller portions than larger breeds.
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Frequently asked questions
Fibre is a vital nutrient for dogs, helping to regulate their bowels, preventing constipation and loosening poop. It also contributes to a healthy gut and can help avoid issues like anal gland inflammation.
Natural sources of fibre include fresh fruits and vegetables such as apples (without the core and seeds), carrots, blueberries, sweet potatoes, spinach, kale, broccoli, green beans, and pumpkin. Brown rice is also a great source of fibre.
Over-the-counter psyllium-based powdered fibre supplements can be used for short-term relief from constipation. Consult your veterinarian before adding any supplements to your dog's diet. There are also vet-approved fibre supplements available, such as DOG Fibre, which can be added to meals.











































