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Home arrow Health arrow Gut Health arrow Choosing The Best Fiber Supplement for Diarrhea: A Nutritionist Weighs In

Choosing The Best Fiber Supplement for Diarrhea: A Nutritionist Weighs In

HR_author_photo_Edibel
Written by Edibel Quintero, RD
HR_author_photo_Rosmy
Fact checked by Rosmy Barrios, MD
Last update: July 11, 2023
6 min read 1263 Views 0 Reviews
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Take a look at our comprehensive review of some of the best fiber supplements for preventing and alleviating diarrhea.

best fiber supplement for diarrhea

How do we vet brands and products? Learn more.

Do you suffer from diarrhea on a regular basis? You’re not alone, as this condition affects millions in the US alone. While there are many medications available to help treat it, there are also natural remedies that can be just as effective.

One such option is taking fiber supplements, which can help to absorb water and slow down the movement of food through the digestive system. They can also help to slow digestion, which can help to prevent diarrhea in the first place.

In this article, we are reviewing the top fiber supplements for diarrhea so that you can find the one that’s right for you.

Top 3 Fiber Supplements for Diarrhea

#1 Best overall star
colonbroom logo
4.7
stars

Completely organic and contains zero sugars

Strengthens your metabolic rate

Boosts energy levels throughout the day

Reduces blood sugar and LDL cholesterol

Learn more
Learn more
#2
Superdosing Logo
4.1
stars

Supports energy management

It is designed for people with a sensitive stomach

The acacia senegal aims to alleviate diarrhea and constipation symptoms

Lab-tested and GMP-certified

Learn more
Learn more
Garden of Life logo
4.0
stars

The supplement is inexpensive

Lots of fiber, protein, and omega-3 fatty acids in one serving

Doesn’t contain sugar or artificial ingredients

Non-GMO and gluten-free

Learn more
Learn More

7 Best Fiber Supplements for Diarrhea

These days, fiber supplements come in a variety of forms, including powders, capsules, and chewable tablets. Different types of fiber can have different effects on the body, so it is important to pick a supplement that is right for you.

To help you find the best one for your digestion problems, we examined the 7 most popular fiber supplements on the market today.

#1 ColonBroom – Best overall 

colonbroom logo
Our rating:
4.7
stars
  • Promotes good gut health and a healthy digestive system
  • Facilitates bowel movements
  • May help to feel more satiated
  • Helps regulate blood sugar levels
Start Free Quiz Now

ColonBroom is a gentle, strawberry-flavored powder supplement that aims to reduce painful bloating and fight recurring constipation symptoms. The active dietary fiber, psyllium husk, cleanses the stomach by removing toxins and excess waste from your digestive system.

Besides helping regulate your digestion and alleviating diarrhea, psyllium husk is also great for your heart. A study found that the best fiber supplements containing psyllium husk can lower cholesterol levels and strengthen heart function. The more soluble fiber you have, the lower the chance of getting heart disease.

Taking ColonBroom is great for soothing diarrhea, but it also reduces blood sugar levels. If you have diabetes, consuming fiber supplements like this one may improve your health. Lower blood sugar prevents the risk of heart disease and sudden blood pressure spikes.

Here are the pros and cons of ColonBroom:

Pros
  • checkmark
    Organic supplement that contains no sugars
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    Reduces blood sugar levels
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    Boosts your energy after meals
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    Decreases LDL cholesterol
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    Lowers cholesterol levels
Cons
  • checkmark
    Might cause minor side effects
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    Expensive

#2 Superdosing Acacia Fiber – Best for IBS

Superdosing logo
Our rating:
4.1
stars
  • Superdosing can help people with IBS manage diarrhea and constipation
  • The acacia senegal aims to provide quick relief
Learn More

Superdosing Acacia Fiber is an IBS-friendly capsule supplement that alleviates diarrhea and constipation. People with irritable bowel syndrome don’t have to worry about feeding their gut with unnatural ingredients, as the creators of these capsules only use non-GMO substances. 

This brand believes that “nearly everything is processed” in today’s supplement industry. That’s why they created capsules suitable for treating IBS symptoms. Acacia Fiber is also known to support leaky gut syndrome by reducing gut permeability and strengthening the intestines.

Keep reading to find the pros and cons of Superdosing:

Pros
  • checkmark
    Lab-tested and GMP-certified ingredients
  • checkmark
    Supports high energy levels
  • checkmark
    The formula is specifically designed for those with a sensitive gut
  • checkmark
    Each capsule is gentle and allergen-free
Cons
  • checkmark
    Some users report experiencing gas and bloating
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    There isn’t much soluble fiber per serving

#3 Garden of Life Super Seed – Best for ingredients

Garden of Life logo
Our rating:
4.0
stars
  • The supplement contains 14 types of seeds, grains, and legumes per serving
  • You can get 50% of your daily soluble fiber intake from taking Garden of Life
Learn More

The creators of Super Seed supplement believe that adding more nutrition to fiber-based powders is important. They incorporated nutrients like protein, omega-3 fatty acids, whole grains, and prebiotic fibers, which is especially helpful when experiencing dehydration and nutrition loss due to diarrhea.

Since this supplement has 6 grams of fiber per serving, the company claims you’ll have fewer encounters not only with diarrhea but also constipation, stomach cramps, and bloating.

It’s recommended to consume 20–30 grams of fiber a day, so taking Super Seed in combination with a healthy diet makes it easy to achieve this goal. 

Here are the pros and cons of this powder:

Pros
  • checkmark
    A non-GMO and gluten-free supplement
  • checkmark
    The high protein content will boost energy levels
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    Supports muscle recovery
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    This powder contains omega-3 fatty acids
  • checkmark
    Garden of Life has inexpensive options
  • checkmark
    Completely natural ingredients
Cons
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    Some customers find the powder too gritty
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    Contains a higher number of calories per serving
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    You can only get two sizing options

#4 Fiber Choice Fruity Bites – Best for easy use

Fiber Choice Logo
Our rating:
3.9
stars
  • The prebiotic fiber gummies regulate healthy bacteria in the gut
  • You can take this supplement to boost your immune health
Learn More

Fiber Choice Fruity Bites are a delicious and convenient way to get your daily dose of fiber. They are a chewable supplement made with real fruit and are packed with prebiotics, which help to promote digestive health.

Fruity Bites provide around 10g of dietary fiber per serving, making them an excellent choice for those looking to manage their diarrhea symptoms.

What makes these gummy bites stand out from the previous supplements is that they contain soluble fiber derived from common fruits and vegetables. This means you’re eating essential nutrients while taking care of your bowels.

Keep reading to discover the pros and cons:

Pros
  • checkmark
    You can take the gummies anywhere
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    Reduces bloating and stomach pain
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    Regulates bowel movement constantly
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    Stronger digestive and immune health
Cons
  • checkmark
    Some customers report the gummies tasting unpleasant
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    Only mixed berry flavor available
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    The price point is more expensive than other alternatives
  • checkmark
    You have to take 4 gummies a day

#5 Love Wellness Sparkle Fiber – Best for vegans

love wellness logo
Our rating:
3.8
stars
  • The Love Wellness Fiber Capsules focus on strengthening digestive, immune, and overall long-term health
  • You can have better weight management due to the appetite-suppressing properties
Learn More

Love Wellness Sparkle Fiber is a “super greens” blend that supports digestion. Due to the veggie-based ingredients, you’ll be consuming plenty of nutrients to fuel your gut. For example, the high amount of fiber in broccoli, spinach, and celery will stop irregular bowel movements.

The capsules also contain chia seed and psyllium husk powder, which help absorb water and slow down the movement of food through the digestive system, making it an effective remedy for diarrhea.

It is important to mention that Love Wellness Sparkle Fiber contains less fiber per serving than the other products on this list, which makes this supplement more gentle and reduces the likelihood of unusual bowel movements when starting out.

Another great thing about the Love Wellness Sparkle Fiber is that it is vegan, gluten-free, and dairy-free.

Below, you’ll discover some pros and cons:

Pros
  • checkmark
    The supplements are vegan, gluten-free, and dairy-free
  • checkmark
    Supports an easier digestive process
  • checkmark
    Boosts skin and nail health
  • checkmark
    The high antioxidant profile reduces toxins in your gut
  • checkmark
    Contains organic vegetable extracts from broccoli, spinach, and celery
Cons
  • checkmark
    Some customers believe this supplement isn’t suited for IBS
  • checkmark
    The powder may cause stomach cramps

#6 Sunfiber – Best budget option

SunFiber Logo
Our rating:
3.7
stars
  • This supplement works well with water and cooked meals
  • Sunfiber aims to reduce the glycemic index of food to prevent a post-meal glucose spike
Learn More

Sunfiber is a gluten-free, non-GMO fiber supplement that can reduce excess gas, bloating, and loose stools throughout the day.

Sunfiber is made with partially hydrolyzed guar gum, a high-quality fiber that helps to reduce diarrhea symptoms by absorbing excess water and slowing down the movement of food through the digestive system.

Just be aware that the taste, aroma, or texture might be a bit odd compared to other supplements. This is because Sunfiber doesn’t have a distinct flavor when mixed with beverages. 

Let’s take a look at the ups and downs of this supplement:

Pros
  • checkmark
    Boosts nutrient absorption from meals
  • checkmark
    Promotes strong intestinal and colon health
  • checkmark
    You can add the powder to meals and smoothies
  • checkmark
    Non-GMO and gluten-free
Cons
  • checkmark
    The powder doesn’t have a taste
  • checkmark
    No directions on the supplement’s packaging
  • checkmark
    Some users report feeling nauseous after drinking the supplement

#7 Metamucil – Best for diversity

metamucil logo
Our rating:
3.6
stars
  • The plant-based psyllium fiber helps to regulate bowel movements
  • People can enjoy a sugar-free fiber supplement when losing weight
Learn More

Metamucil has several 4-in-1 fiber supplements that promote strong digestive health. For example, you can choose from biscuits, gummies, or a powder supplement to enjoy an orange-flavored beverage with your meals.

Just like many other products on this list, Metamucil uses psyllium husk in the fiber supplements, which offers a gentle yet effective way to relieve diarrhea symptoms. It helps to absorb water and slow down the movement of food through the digestive system, reducing your trips to the bathroom.

Just be aware that some of their fiber-based supplements contain sugar and sweeteners. 

Below, you’ll find some advantages and drawbacks of their products:

Pros
  • checkmark
    Reduces your appetite
  • checkmark
    Several forms of supplements to choose from
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    Lowers LDL cholesterol levels
  • checkmark
    Focuses on supporting long-term digestive health
  • checkmark
    Some products are suitable for diabetics
Cons
  • checkmark
    The supplements are expensive
  • checkmark
    No scientific evidence to back up weight loss claims
  • checkmark
    Customers report experiencing bloating and gas
  • checkmark
    People may use the supplement to replace fiber-rich meals

How We Tested

We carefully examined the key features, ingredients, online customer reviews, and benefits of each supplement while coming to a solid conclusion about their effectiveness.

Here is our detailed review of the four main factors:

Quality

No one wants to consume cheap products, right?

A supplement is high-quality if it’s made using 100% natural ingredients. Otherwise, the brand hasn’t taken any time to perfect the formula. For example, the creators of ColonBroom as well as Love Wellness used natural dietary fiber, sweeteners, and vegetable juice to enhance the effectiveness of the supplement.

Effectiveness

To determine whether the product actually works, we studied the ingredient list closely. If the supplement contains natural fibers, probiotic blends, electrolytes, and other gut-friendly nutrients, then it’s bound to have some positive effects on your digestive system. 

Price 

Taking fiber supplements regularly means you have to buy them each month or every other week. An expensive product will eventually eat away at your savings. We looked at how the price point builds up from every re-purchase and if the brand has any bundles or subscription options that would help slash the cost.

Brand reputation

A brand that truly cares about customers jumps ahead on the scoreboard. Their mission should focus on improving long-term health and only promoting real, authentic supplements. We evaluated each website, including the “about us” page, to gain a sense of their personality.

Besides that, we also took a look at what the customers were saying about the brand. While the effects of the reviewed supplements vary from person to person, we generally didn’t notice any harsh comments about any of these brands.

Comparing the Best Fiber Supplements

Comparison Winner: ColonBroom
4.7
stars
4.1
stars
4.0
stars
3.8
stars
3.6
stars
3.7
stars
3.6
stars
Brand
ColonBroom
Superdosing Acacia Fiber
Garden of Life Super Seed
Love Wellness Sparkle Fiber
Fiber Choice Fruity Bites
Sunfiber
Metamucil
Pros

Completely organic and contains zero sugars

Strengthens your metabolic rate

Boosts energy levels throughout the day

Reduces blood sugar and LDL cholesterol

Prevents the urge to binge eat on a weight loss diet

Improves body detoxification over time

Supports energy management

It is designed for people with a sensitive stomach

The acacia senegal aims to alleviate diarrhea and constipation symptoms

Lab-tested and GMP-certified

The supplement is inexpensive

Lots of fiber, protein, and omega-3 fatty acids in one serving

Doesn’t contain sugar or artificial ingredients

Non-GMO and gluten-free

Vegan, gluten-free, and dairy-free supplements

The antioxidants reduce bloating by removing toxins in the gut

Contains organic vegetables like broccoli, spinach, and celery

Supports detoxification for easier digestion 

The gummies are easy to eat every day

Regulates bowel movements throughout the day

These gummies are travel-friendly

Reduces stomach cramps and bloating 

Helps to absorb the nutrients from your meals

Cheaper alternative to other supplements in the market

People can add the powder to meals while cooking

Boosts intestinal and colon health 

Supports healthy blood sugar levels

Reduces your appetite after every meal

Strengthens long-term digestive health

They have different forms of supplements on their website

Lowers bad cholesterol levels

Cons

On the pricier side

You have to take 5 capsules per day

There isn’t much fiber in each dosage

Some users report having gas-related pains 

Some users report the powder being gritty

Not many sizing options for the supplement

Contains more calories than other supplements

People might forget to take 3 capsules a day

Some users report this supplement not being good for IBS

Could cause stomach pains for those with a sensitive gut

Some customers report the taste being unpleasant

Only one flavor available

The price is expensive for each bottle

You have to take 2 gummies up to 4 times a day 

The supplement has no taste

Customers report experiencing nausea when taking the product

A lack of directions on the packaging 

People might mistake this supplement for a fiber meal replacement

Some users report having side effects like bloating and gas

Potential false claims about weight loss

The supplements can be expensive 

A Word From a Nutritionist

Fiber supplements are a great option to try if home remedies for diarrhea don’t work. Like mentioned before, fiber alleviates diarrhea symptoms by absorbing excess water and slowing down the movement of food.

Remember that the main ingredient of the best fiber supplements should be natural fiber like psyllium husk. Check the label of each product before buying to ensure there is enough soluble and insoluble fiber per serving.

Even if you take a fiber supplement, it’s important to get soluble fiber from foods like avocados, flax seeds, oats, and beans. Insoluble fiber can be found in wheat bran, green beans, potatoes, and leafy greens, so don’t forget to incorporate these into your diet.

If your diarrhea doesn’t go away within a few days or even gets worse, reach out to your doctor. And if you suffer from any health conditions, consult with your doctor before taking any supplements. A medical professional can determine whether supplements are suitable for your gut.

Conclusion

So, what are the best fiber supplements for diarrhea?

After analyzing some of the most popular options on the market today, we think ColonBroom is the top choice when it comes to alleviating diarrhea. This fiber supplement is completely organic and aims to relieve constipation, bloating, and diarrhea symptoms.

Just like with any other supplement, consult with your doctor first before you start taking fiber supplementation. This will help you determine the dosage, type, and form of fiber that will best suit your digestive needs. With the right supplement, you can find the relief you need to get back to feeling your best.

Written by Edibel Quintero, RD
Edibel Quintero is a medical doctor who graduated in 2013 from the University of Zulia and has been working in her profession since then. She specializes in obesity and nutrition, physical rehabilitation, sports massage and post-operative rehabilitation. Edibel’s goal is to help people live healthier lives by educating them about food, exercise, mental wellness and other lifestyle choices that can improve their quality of life.
The article was fact checked by Rosmy Barrios, MD
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