
The keto diet is a low-carb, high-fat, and protein-rich diet that has gained popularity for weight loss. However, one criticism of the keto diet is its lack of fibre, which can lead to constipation. While it is important to get enough fibre, it is also crucial to note that too much fibre without enough water can cause hard stools and dehydration. Therefore, it is recommended to increase fibre intake gradually and ensure adequate hydration. There are several fibre-rich foods that can be incorporated into a keto diet, such as avocados, nuts, seeds, and low-carb vegetables. Additionally, fibre supplements can be beneficial for those on a keto diet.
| Characteristics | Values |
|---|---|
| Fiber on a keto diet | It is important to get enough fiber on a keto diet to prevent constipation |
| Fiber sources | Avocados, chia seeds, nuts (pecans, almonds), flax seeds, artichokes, berries, leafy greens, coconut flour, keto-friendly veggies (Brussels sprouts, asparagus, collards, cauliflower), fermented foods (sauerkraut), zucchini, smoothies with spinach, and cucumbers. |
| Fiber intake | The recommended daily fiber intake for adults is 25-30 grams. |
| Fiber and keto flu | Fiber can help reduce keto flu symptoms like fatigue, headaches, and nausea by supporting better energy balance and reducing blood sugar swings. |
| Fiber and constipation | Insoluble fiber from keto-friendly sources adds bulk to the stool and can help relieve constipation. |
| Fiber and IBS | Soluble fiber can help reduce overall IBS symptoms and improve gut health by reducing inflammation and supporting beneficial gut bacteria. |
| Fiber and cholesterol | Fiber may help lower LDL cholesterol by altering metabolites in gut bacteria and changing how the body processes cholesterol. |
| Fiber and weight loss | Fiber-rich keto foods can help with weight loss by increasing feelings of fullness and supporting a healthy metabolism. |
| Fiber and gut health | Fiber feeds beneficial gut bacteria, supports the gut lining, and improves gut health by reducing inflammation. |
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High-fibre keto foods
The keto diet is a low-carbohydrate, high-fat diet that has gained popularity for weight loss. It typically requires followers to derive up to 80% of their calories from fat and only 20 to 50 grams of carbohydrates per day. This diet is often criticized for its lack of fibre, which can lead to constipation.
However, there are several high-fibre foods that are keto-friendly and can help you avoid digestive issues. Here are some tasty options:
Avocados
Avocados are a great source of fibre and fat for keto followers. Half an avocado contains just 1.4 net carbs and provides 5 grams of fibre. You can serve it plain or with a sprinkle of chili powder and lime juice for an extra boost of flavour.
Nuts
Nuts are an excellent option on the keto diet due to their fibre and fat content. Pecans, for example, offer just 1.2 net carbs per ounce (19 halves) and supply 2.7 grams of fibre. Almonds are another good choice, providing 3.5 grams of fibre and about 2.5 grams of net carbs per ounce (23 whole kernels).
Artichokes
Artichokes are a surprisingly good source of fibre for keto dieters. One canned artichoke heart offers 1.7 grams of fibre and less than 1.9 grams of net carbs. You can add them to keto pizzas, roast or grill fresh artichokes, or bake them with keto-friendly cheese.
Flax Seeds
Flax seeds are small oil seeds packed with nutrients. They are good sources of omega-3 fatty acids, fibre, and antioxidants. Ground flax seeds are easier to absorb and offer 2 grams of fibre and 0 net carbs per tablespoon. You can use them as a crunchy coating for fish or chicken instead of breading.
Fermented Foods
Fermented foods like sauerkraut are packed with probiotics, flavourful, and low in carbohydrates. A half cup of sauerkraut provides 2 grams of fibre and just over 1 gram of net carbs. You can add it to meats or salads for a tangy boost.
High-Fibre Vegetables
While starchy veggies like sweet potatoes are off-limits on keto, there are fibre-rich greens to choose from. These include cooked collards, with 2 grams of net carbs and 5.6 grams of fibre per cup, and Brussels sprouts, with 2 grams of fibre per 1/2 cup. Cauliflower and zucchini are also keto-friendly and can be added to smoothies for extra fibre.
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Recommended daily fibre intake
The recommended daily fibre intake varies depending on age and location. For children, the recommendation is to add five grams to their age—a five-year-old child, for instance, needs 10 grams of fibre per day. For adults, the recommended daily fibre intake is 25–30 grams per day. However, the average daily fibre intake among adults in the United States is only about 15 grams.
The recommended fibre intake for adults in the UK is 30 grams or more per day, while the World Health Organization recommends at least 400 grams (or five portions) of fruit and vegetables per day. In Europe and North America, grain-based foods are the predominant contributors to dietary fibre, followed by vegetables, potatoes, and fruits, with little contribution from legumes, nuts, and seeds.
The different types of fibre include soluble and insoluble fibre, each with distinct health benefits. Soluble fibre is found in all fruits and vegetables, while insoluble fibre is found in plant-based foods. The best sources of soluble fibre are oats, dried beans, and some fruits and vegetables.
The ketogenic (keto) diet is a low-carbohydrate diet that focuses on protein and fat. It is popular for weight loss and has been used to treat epilepsy. The keto diet is associated with a high risk of constipation due to the low intake of fibre-rich foods. Therefore, it is important to ensure adequate fibre intake while on the keto diet. Avocados, chia seeds, nuts, flax seeds, artichokes, and berries are good sources of fibre for those on the keto diet.
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Constipation and keto
Constipation is a common side effect of the keto diet. This is because the diet is low in fibre-rich foods, such as fruits, whole grains, and starchy vegetables, which are typically the main sources of fibre in a diet. In addition, the keto diet is high in fat, and some people may have trouble adjusting to this.
Constipation is defined as having fewer than three bowel movements a week, with stools that are hard and dry or difficult to pass. If you are experiencing constipation, try the following:
- Drink more water.
- Increase your fibre intake by consuming more keto-friendly, high-fibre foods, such as:
- Avocados
- Chia seeds
- Nuts
- Artichokes
- Fermented foods, such as sauerkraut
- Leafy greens, such as spinach
- Broccoli
- Seeds
- Berries
- Brussels sprouts
- Asparagus
- Get more exercise, such as going for a brisk walk after meals.
If the above methods do not help, speak to a doctor. They may recommend a fibre supplement or laxative, but it is best to consult a medical professional before taking any new supplements.
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Fibre supplements
The ketogenic diet is a low-carbohydrate diet that has been used for weight loss and as an effective treatment for epilepsy. It typically involves a high fat requirement, with fat being consumed at every meal, and encourages the consumption of protein, which can be either lean or high in saturated fat.
One criticism of the keto diet is that it lacks fibre. However, there are plenty of high-fibre keto-friendly foods that can be included in the diet, such as low-carb vegetables, fruits, nuts, and seeds. Some examples include avocados, chia seeds, pecans, almonds, berries, Brussels sprouts, asparagus, artichokes, and fermented foods like sauerkraut.
It is important to note that constipation is a common issue for people on the keto diet, as it is low in fibre-rich foods. Therefore, it may be beneficial to include fibre supplements while on the keto diet to help with constipation and improve overall gut health. It is recommended to start slowly and monitor how you feel to avoid side effects like bloating and abdominal discomfort. Additionally, staying hydrated by drinking plenty of water is crucial when increasing fibre intake.
The recommended daily fibre intake for adults is around 25-30 grams, and it may be challenging to reach this goal on the keto diet without supplements. Keto-specific supplements like KetoVie 4:1 can help boost fibre intake while staying within the carbohydrate limits of the diet.
In conclusion, while the keto diet may naturally result in lower fibre intake, it is important to prioritise fibre consumption through diet and supplements to maintain regular bowel movements, support weight loss, and improve overall health.
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Fibre-rich foods
The keto diet is a low-carbohydrate diet that is popular for weight loss. It is typically very high in fat, with 75-80% of total daily calories coming from fat, 20-25% from protein, and only 5-10% from carbohydrates. This shift from a high-carb diet to a low-carb, high-fat diet can cause digestion issues, especially constipation, due to a lack of fiber.
Fiber is essential to normalize digestive health and support the growth of beneficial bacteria in the gut. It is recommended that adults consume 25-30 grams of fiber per day. While on the keto diet, it is important to eat plenty of fiber to avoid constipation.
There are plenty of keto-friendly, fiber-rich foods that can help keep you regular and support your gut health. Here are some of the best sources of fiber to include in your keto diet:
- Avocados: Half an avocado contains 5 grams of fiber and just 1.4 net carbs. They are also a great source of healthy fats.
- Chia seeds: A 1-ounce serving of chia seeds offers 9.6 grams of fiber and 2.2 grams of net carbs. They can be added to smoothies, oatmeal, eggs, or salads.
- Nuts: Nuts are a great source of both fiber and fat. Pecans are one of the lowest-carb nuts, with 1.2 net carbs per ounce (19 halves) and 2.7 grams of fiber. Almonds are another good option, with 3.5 grams of fiber and 2.5 grams of net carbs per ounce (23 kernels).
- Flax seeds: Ground flax seeds are a great source of fiber and omega-3 fatty acids. One tablespoon of ground flax provides 2 grams of fiber and 0 net carbs.
- Artichokes: Artichokes are a good source of fiber, with one canned artichoke heart containing 1.7 grams of fiber and less than 1.9 grams of net carbs. They can be added to keto pizzas, roasted, grilled, or baked with cheese.
- Fermented foods: Fermented foods like sauerkraut are packed with probiotics, flavor, and fiber, with half a cup providing 2 grams of fiber and just over 1 gram of net carbs. They can add a tangy boost to meats and salads.
- Vegetables: While starchy veggies like sweet potatoes are off-limits on keto, there are plenty of keto-friendly greens like collards, Brussels sprouts, asparagus, spinach, zucchini, and cauliflower. These vegetables are high in fiber and low in net carbs.
In addition to these whole food sources of fiber, there are also keto fiber supplements available that are made from a combination of low-carb, high-fiber foods.
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Frequently asked questions
A keto diet is a low-carbohydrate, high-fat, and protein-rich diet. It has been used as an effective treatment for epilepsy and has gained popularity as a weight-loss diet.
Fibre sprinkles are a supplement that can be added to food to increase fibre intake. They are often used to relieve constipation, which is a common issue for those starting a keto diet.
Yes, fibre sprinkles can be beneficial when starting a keto diet as they can help to relieve constipation. However, it is recommended to increase fibre intake gradually and ensure adequate hydration to avoid bloating and abdominal discomfort.
In addition to fibre supplements, there are several high-fibre foods that can be included in a keto diet. These include avocados, nuts, seeds, chia seeds, berries, leafy greens, and low-carb vegetables.











































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