9 Best Fiber Supplements • Top Fiber Supplement Products of 2025

Many health problems can be managed well or prevented by having fiber-rich foods. But, failing to do so either deteriorates or welcomes health issues.

The good news is supplements offer easy ways of meeting fiber intake. But, if you are considering these, you must first know how they work and their health benefits.

The dietary supplements which work well for others may not work for you. So, we bring you the necessary information that can help you decide in a fuss-free way.

So, start reading to get the best scoop of knowledge on the best fiber supplements.

Best Fiber Supplements in 2025

• Top Consumer’s Choice: Metamucil Fiber Supplement
• Best for Promoting Good Bowel Function: Fibercon
• Best for Gut Bacteria and Digestive Health: Benefiber Daily Prebiotic Fiber Supplement
• Packed with All-around Goodness: Bellway Fiber
• Best for Healthy Gut and Digestive Wellness: Tomorrow's Nutrition SunFiber
• Easy-to-eat Formula for Good Digestion: Regular Girl – Organic On The Go Powder
• Best Formula for Improved Heart and Gastrointestinal Health: Organic India Psyllium Herbal Powder
• Best for Bowel Regularity and Weight Management: Yerba Prima Organic Psyllium Whole Husks
• The Superstar Ingredient for Cooking Keto Meals: Psyllium Husk Powder Organic by Kate Naturals

9 Best Fiber Supplements: Detailed Insights

 #1. Top Consumer’s Choice: Metamucil Fiber Supplement

This supplement is marketed as “3-in-1”. Its main ingredient delivers three benefits. These include weight maintenance, bowel regularity, and an increase in energy level.

Thus, Metamucil makes it to the top position for all the right reasons. It has been continuing as a favorable product for approximately 80 years.

It contains psyllium husk as the main component. Metamucil gives 2.4 grams of soluble fiber per serving. The supplement comes with a natural lemon flavor that makes it favorable even as a fiber-rich consumable.

It has easy instructions for use. Moreover, the powdered form can be mixed and consumed with smoothies or milk.

But, the supplement must blend if you use the powder form. If this seems like too much work, you can use its capsule and wafers.

This is available both as an over-the-counter and prescription supplement.

How does it work?

The main ingredient of this fiber supplement is psyllium husk, a soluble fiber derived from the seed husk of Plantago Ovata. This component is known widely as a laxative and carries a soft bulk-forming property.

It produces bulk in waste materials and aids in the easier movement of stool. This action restricts constipation and thereby promotes good digestive health.

Moreover, it increases the water level in the stool. This makes the movement of waste materials easier.

Also, being soluble, it dissolves and forms a gel-like substance in the digestive tract. This activity traps bile acid in the gut and thus, prevents cholesterol absorption. As a result, cholesterol gets eliminated with the body's waste materials.

Pros

• Available both as powder and capsule
• Also, comes as fiber thins and fiber gummies unlike most fiber supplements
• Uses natural psyllium fiber
• Contains orange flavor

Cons

• Contains maltodextrin (which can elevate blood sugar) despite being advertised as sugar-free
• Not suitable for people with psyllium allergies

Price

• 5-ounce pack (300 capsules): $34.50
• Metamucil fiber thins (4 packs): $32.26
• Powder (1.7-pound): $49.08

Shop at Official Amazon Store.

#2. Best for Promoting Good Bowel Function: Fibercon

Being packed with insoluble fibers, it is more effective for easy bowel movements. This product resists gut fermentation and prevents bloating.

Its main ingredient, polycarbophil, is known as a laxative. It elevates the bulk of the waste materials. This action makes stool movement easier.

Also, it increases the water amount of stool. This contributes to good bowel movements and the prevention of constipation. Needless to say, by doing so, the product promotes improved digestive health.

However, FiberCon may reduce the absorption of other prescribed medications. So, make sure to consult with doctors if you are taking medicines along with this supplement.

Fibercon gives 1 gram of fiber per serving. It is available in capsules that exclude the need for messy mixing. Also, it includes easy dosing measures and is devoid of dye.

How does it work?

Its main component is a stool stabilizer. It increases the water level in the stool. Thus, the movement of the body's waste becomes easier.

Also, it contributes to increasing bulk in the stool. This makes intestinal movements fuss-free.

The actions can be well understood from the properties of calcium polycarbophil. It has high water binding capacity.

But, being non-interfering, it does not cause gastrointestinal irritation.

Pros

• Leaves no bad aftertaste
• Easy to consume and fast acting
• Apt for treating occasional constipation
• Does not cause gas to be an insoluble fiber product

Cons

• Trouble of having big capsules for people having difficulty swallowing medicines
• May be not suitable for long-term use

Price

• Fibercon 90 count90-count package: $19.27
• 140-count pack: $22.17

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#3. Best for Gut Bacteria and Digestive Health: Benefiber Daily Prebiotic Fiber Supplement 

This product's fiber source is wheat dextrin. The supplement gives 3 grams of fiber per serving. So, we recommend it as a useful supplement for getting the right amount of fiber daily.

We also recommend this supplement as it does not have gluten or added sugar. Besides, it is available in powder form and hence is easy to consume.

Thanks to its prebiotic nature, this supplement improves our gut health by helping the good bacterias grow. Additionally, the supplement itself is rich in probiotics that keep the digestive system healthy.

This supplement is further ideal to be consumed by people of various age groups. Children above 12 years of age and adults can have this supplement daily.

Being soluble, the fibers in the supplement do not cause bloating or any other digestive discomfort.

You can have it with your favorite food or non-carbonated beverage as it does not have flavor or odor.

How does it work?

Benefiber works by helping you get more fiber in your daily diet. It works as a friend for the good bacteria in the gut to strengthen our digestive system.

This supplement powder comes with soluble fibers. These fibers help maintain regularity in bowel movements and color functions without causing bloating or gassiness. Thus, the fibers help in the easy elimination of stools.

Further, this supplement comes with Bacillus Coagulans, a type of good bacteria. This good bacteria further functions effectively by using the prebiotic fiber in the supplement as its food source.

Being a wheat dextrin fiber supplement, it is rich in fiber and less in calories (15g per serving). So, this supplement may also work in mending your unhealthy eating habits. It improves your satiety level so that you don’t gorge on snacks frequently.

Pros

• Unflavored and sugar-free
• Age range including children
• Can be incorporated into food and consumed
• Low cost compared to others

Cons

• Can cause dehydration if not mixed properly
• Need of proper mixing implying a bit of a hassle

Price

• Benefiber's 17.6-ounce package: $21.83
• 8.7-ounce pack: $11.82.

Shop at Official Amazon Store.

 #4. Packed with All-around Goodness: Bellway Fiber

Apart from relieving constipation, the product is packed with all-around goodness. The multiple health benefits come from having mostly natural ingredients.

Benefits of having it include a healthy gut and better weight maintenance. Also, the product improves the health of the skin and hair.

Most importantly, the supplement helps in better mineral and vitamin absorption. This feature plays a role in improving the immune system.

Besides having psyllium husk, the supplement contains monk fruit extract and lemon juice powder. The former component contains natural sweetness that makes it apt for diabetic people. The lemon constituent imparts an interesting flavor while being an excellent vitamin C source.

So, despite being sugar-free, the above-mentioned ingredients add to the taste. This quality makes this supplement an interesting choice among other fiber supplements.

This supplement provides 5 grams of fiber per serving. Bellway comes in powder form and needs to be added to water for consumption.

How does it work?

Its primary component, psyllium husk, absorbs water and forms a bulk. As it passes through the digestive tract, it causes easy movement of waste materials.

Psyllium husk, owing to its water-absorbing property, helps bring a feeling of fullness. This helps with managing hunger and fullness.

The fruit components in supplement your intake of minerals and vitamins. These have positive impacts on the body's immune functions.

Besides that, being prebiotic, the supplement nourishes and supports the growth of good gut bacteria. This contributes to good digestion and a better immune system.

Pros

• Comes in three interesting flavors
• Tastes good
• Gluten-free
• Contains 100% organic fiber and real fruits

Cons

• The fruit flavors may not be preferred by all.
• Time-taking for consumption compared to fiber tablets or capsules

Price

• Supplements: $26.99 to $29.99 
• A single tub: $49.99
• A pack of six: $24.99 per tub

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#5. Best for Healthy Gut and Digestive Wellness: Tomorrow's Nutrition SunFiber

We recommend this supplement as it offers enough dietary fiber per serving (6 grams) to promote regularity. It is clinically proven and a certified non-GMO and residue-free supplement.

This supplement is great for our colon and intestine functions. It helps the food pass through the intestines smoothly and promotes the absorption of essential minerals. Besides, it controls glucose absorption in our bodies making it beneficial for people with type-2 diabetes.

The soluble fiber in the supplement also resists gut fermentation by helping probiotics to grow. Besides, it decreases the number of harmful bacteria to improve our gastrointestinal health.

This is a natural supplement with no gluten, making it ideal for people with gluten intolerance. It also promises to take care of our cardiovascular health by balancing the levels of good and bad cholesterol.

SunFiber is also certified for being glyphosate residue-free, and even vegan people can have it. Thanks to the absence of any additional flavor or taste, it can be easily consumed with foods and beverages.

Moreover, SunFiber does not cause gassiness or bloating. It is even Generally Regarded as Safe and approved by organizations like Health Canada and the FDA.

How does it work?

The main ingredient in this supplement is Sunfiber, collected from guar beans. Besides, Sunfiber holds the awards of “Grade A Fiber Consensus Recommendation” and “Level 1 Evidence Recommendation” as a clinical supplement. So, it improves our overall gut health by working as the ideal food source for probiotics.

The prebiotic fiber in the supplement also works in avoiding bloating or gassiness. It monitors the level of glucose absorption in our bodies.

You can also find this supplement beneficial if you are facing difficulties in dealing with frequent hunger pangs. It enhances satiety so that you can avoid those random munching on snacks.

The supplement also works by helping our body excrete bile acids. Our liver uses bad cholesterol or LDL to produce more bile acids as our body can flush them out frequently. Thus, the level of LDL is decreased, improving our heart functions.

Pros

• Non-GMO product
• Gluten-free
• Works as the ideal food source for probiotics
• Helps improve the gastrointestinal, cardiac, and immune system

Cons

• Not suitable for taking with carbonated drinks
• Not a substitute for medicines for gastrointestinal or cardiac health

Price

• SunFiber's 30-day pack (30 servings): $24.99
• Same pack: $19.99 with the subscription
• SunFiber 90-day pack: $64.99.
• Same pack: $54.99 with the subscription

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 #6. Easy-to-eat Formula for Good Digestion: Regular Girl – Organic On The Go Powder

This supplement has Sunfiber, which falls under prebiotic and soluble fiber types. Also, it is rich in probiotic Bifidobacterium Lactis and, per serving, has five grams of soluble fiber. Further, this is ideal for women and formulated by women dieticians.

This supplement is good for the overall health of consumers. Besides, it stops diarrhea and constipation for normal stool elimination regularly. Further, it boosts satiation hormones and slows down the digestion process to avoid overeating.

You can begin your day by taking this supplement so that you enjoy good gastrointestinal health. It reduces the bad bacteria and helps the good bacteria in the gut to grow. This fiber supplement powder is also effective in increasing zinc, calcium, and iron absorption in our bodies.

We also love this product as it does not have gluten. Besides, this is ideal for people following a Kosher or vegan diet. Also, it is certified as an organic product by the USDA.

This supplement does not have dairy products, soy, wheat, or eggs. So, it is even safe for people allergic to these food sources. Besides, it is free of artificial flavors, added sugar, and salt.

Furthermore, many pregnant or lactating women feel scared to take fiber supplements. But this one is safe for them also. It will be safer to consult your doctor first to know if this type of fiber will be safe for you.

How does it work?

This supplement has Sunfiber, and this type of fiber helps the probiotics in the Regular Girl to function well. However, this formulated organic fiber is much better than fiber-rich food sources that cause gastrointestinal problems.

Thanks to the presence of 8 billion CFU Bifidobacterium Lactis or probiotics, this supplement minimizes our digestive discomfort. Besides, it bolsters our immunity system.

Further, the type of fiber in Regular Girl powder is soluble. So, it helps the digestive system function well and keeps check on the amount of glucose absorbed in our bodies.

The supplement is also good for heart health as it lowers the bad cholesterol level. Also, it helps in minimizing eating disorders and losing weight by making you feel fuller for longer.

Pros

• Low in calories (only ten calories per serving)
• Can be easily consumed with foods and beverages
• Has the right balance of prebiotic types of fiber and probiotics
• Enough fiber for helping with inflammatory bowel disease, constipation, and irregularity

Cons

• Requires proper consumption way for the effectiveness of the probiotics
• Not suitable for children below 9 months of age

Price

• A package with 30 on-the-go packets: $34.99 on its official website (free shipping in Canada, Australia, and the UK)
• Same package with the subscription: $29.99

Shop at Official Amazon Store.

#7. Best Formula for Improved Heart and Gastrointestinal Health: Organic India Psyllium Herbal Powder

We also considered this product on our list because it contains natural dietary fibers to cure constipation instantly. This organic psyllium husk supplement is certified by the Control Union and comes with a USDA organic certification. As one of the most useful fiber supplements, it aims to promote healthy elimination along with regularity.

This fiber supplement contains the seed husk of the herb Plantago Ovata which is known as psyllium. In fact, psyllium has been proven very much effective in lowering cholesterol and blood sugar levels along with relieving constipation. Also, this fiber supplement consists of both soluble and insoluble fiber.

However, it contains no added sugar, sodium, cholesterol, fat, or other additives. The manufacturer of this fiber supplement also claims no synthetic pesticides, chemical fertilizers, or herbicides are used during the manufacturing.

Further, it is labeled as a Pharmaceutical-grade substance which means it is manufactured under GMP and approved by the FDA. While using it regularly, it can reduce the risk of heart disease, stroke, and diabetes among users.It may help you to achieve your weight loss goal.

So, anyone can take this fiber supplement as a part of their healthy diet. This supplement provides 4 grams of fiber per serving to supplement your fiber intake.

How does it work?

This fiber supplement contains 70% of soluble and 30% of insoluble fiber. The soluble fiber present in this supplement absorbs water to form a gel-based substance. This substance is truly capable of softening stools along with feeding the friendly bacteria present in your gut.

This gel-based substance traps cholesterol and bile in our digestive tract and, most importantly, reduces their absorption. Hence it can lower blood pressure and cholesterol levels in our body.

In contrast, the insoluble fiber helps to push the stools through our digestive system. So, this fiber supplement helps our body to promote bowel movement regularity, soften stools, and prevent gas buildup.

Also, this fiber supplement soaks up excess water present in our digestive tract, adding bulk to our stool. That is why it is proven very much effective in treating mild to severe diarrhea along with relieving constipation.

As Organic India Psyllium Herbal Powder is rich in fiber, it helps in passing food slowly from our digestive system. As a result, it may reduce food cravings and eventually help you to achieve your weight loss goal.  

Pros

• Promotes healthy elimination regularly
• Contains both the soluble and insoluble fiber
• Improves the function of the entire gastrointestinal system
• Very effective in treating constipation instantly

Cons

• Comes with no flavor
• Becomes thicker as seconds go by after water mixing

Price

• A single pack (12 ounces): $15.29

Shop at Official Amazon Store.

#8. Best for Bowel Regularity and Weight Management: Yerba Prima Organic Psyllium Whole Husks

This supplement is great for colon health. We recommend it as it does not come with artificial preservatives and sugar. Besides, it is USDA-certified and free of GMOs and gluten.

This dietary supplement is great for our gastrointestinal health as it is filled with prebiotic fibers. These fibers help the growth of gut-friendly bacteria that are great for our digestive system. Good gut health is also beneficial to relieve constipation and promote weight loss.

This dietary supplement certified by Quality Assurance International is also helpful in lowering cholesterol levels in our blood. Moreover, it plays an active role in balancing the levels of good and bad cholesterol.

Further, this sugar-free supplement helps our bodies to excrete toxins easily. The gentle dietary fibers in the supplement help maintain bowel movement regularity to stop problems like irritable bowel syndrome.

This fiber supplement can be a part of a keto-friendly or high-protein diet. It is especially ideal for people who are into sports or trying to lose weight.

This is also one of the best fiber supplements because it does not have magnesium stearate like most alternatives. Also, it is free of artificial fillers or binders.

How does it work?

This fiber supplement works to improve our overall health condition. It helps gut bacteria to grow for better colon health. This supplement has easily soluble fibers to make the elimination of stool easy and fight irritable bowel syndrome.

This fiber supplement also helps our body to get rid of bile acids. The loss of bile acids further forces the liver to use cholesterol more, producing more bile acids. As a result, the amount of bad cholesterol in our blood is reduced, improving our cardiac health.

You can take this fiber supplement if you are having a difficult time losing weight. This supplement with soluble fiber makes you feel full for long hours like other fiber-rich foods. So, you will be saved from frequent hunger pangs.

People suffering from type 2 diabetes can find this fiber supplement beneficial. It slows down the digestion process and thus keeps the blood sugar level in check.

Pros

• Maintains the balance between good cholesterol (HDL) and bad cholesterol (LDL) levels
• Improves bowel movements and keeps the colon healthy
• Promotes weight loss and healthy blood sugar level
• Good for our heart health.

Cons

• Not suitable for people allergic to psyllium husk
• Not a substitute for physician-prescribed medicines

Price

• A monthly supply of this fiber supplement: $17.59
• A package with a discount: $16.36

Shop at Official Amazon Store.

#9. The Superstar Ingredient for Cooking Keto Meals: Psyllium Husk Powder Organic by Kate Naturals

This product by Kate Naturals is one of our top picks because this is a non-GMO and gluten-free supplement. This fiber supplement is certified by the United States Department of Agriculture. As one of the best fiber supplements, it promotes good gut health by eliminating digestive and chronic constipation problems.

This fiber supplement is plant-based. Each teaspoon of it comes with 4g of natural fiber, which covers almost fourteen percent of our ideal fiber intake daily. Also, you can easily have it by adding it to smoothies, your regular food, and even to your cake mixture.

This dietary fiber supplement is ideal for people who are on a low-carb or keto diet. Besides that, with a high amount of fiber, this supplement helps us to avoid overeating and keep our weight in control.

This organic fiber supplement comes with soluble fiber, which is great for maintaining a good digestive system. Further, it has a very less amount of lead, making it a safer option than most dietary supplements. This fiber supplementation is also used to lower cholesterol levels in our blood.

Psyllium husk is collected from a shrub-like plant called Plantago Ovata. These plants are found in abundance in India. This dietary fiber is made from the gel-coated seeds produced by these plants.

This organic fiber supplement can also be beneficial for blood sugar control. It improves the glycemic response of our bodies. Besides that, it can keep the blood sugar level in check by making the process of food digestion slower.

How does it work?

The main ingredient of Psyllium Husk Powder Organic by Kate Naturals is psyllium husk. This ingredient works for the benefit of our bodies in multiple ways.

Psyllium fiber is easily soluble and swells when mixed with water, juice, or any other liquid. So, a small amount of this dietary fiber can have a high volume, making you feel full for longer. Besides that, it boosts the functions of the intestines for healthy digestion.

This prebiotic fiber is also helpful in the growth of good bacteria in the intestines. These bacteria can ferment a small portion of psyllium husk and create Short Chain Fatty Acids, having many health benefits. Short Chain Fatty Acids reduce intestinal inflammation and the risks of collateral cancer.

According to the American Heart Association, psyllium is great for good cardiac health. It minimizes the chances of cardiac arrests by lowering cholesterol levels. It is also good to prevent cardiovascular disease as it reduces the problems like type-2 diabetes and obesity.

Psyllium helps the body flush out bile acids and fat by getting bound to them. When the bile acids are lost, our liver uses cholesterol to produce them again. Thus, the bad cholesterol in our blood (LDL) is reduced. This prebiotic dietary supplement of psyllium husk also helps increase the level of good cholesterol (HDL) in our blood.

Further, you can have this supplement with fermentable fibers to control your appetite and lose weight.

Pros

• Non-GMO and gluten-free
• Certified by the United States Department of Agriculture.
• Can be added with any liquid and easily incorporated into your diet plan
• Contains adequate fiber for good health

Cons

• Not a substitute for medical treatments to improve your digestive system
• Demands proper fluid intake, lack of which may cause health problems

Price

• One pack of 12oz: $9.99 

Shop at Official Amazon Store.

How We Rank the Best Fiber Supplement?

The ranking of the best fiber supplement never depends on a single factor. Here, we have taken into account how fiber supplements work. Their action determines what health benefits they give.

Also, the focus is on the components of fiber supplements. Like, having prebiotic fibers in the composition makes the supplements beneficial.

Besides that, our analysis encompasses the ease of consuming the supplements. This takes into consideration whether they are available in powder form or need to be eaten with any food. Metamucil being available in capsules makes it easier to have it on the go.

Furthermore, we have included their pricing details. It is equally important to consider whether they have a refund policy.

>>Related Article: SynoGut Reviews: Does it Really Work?

How to Choose the Best Fiber Supplement?

Not following the trend should be the main factor in choosing the best supplement. Like, let's say an organic fiber supplement from Garden of life works great for someone you know. But, this Garden of Life supplement may not bring the same extent of improvement for you.

Also, avoid brand inclination while selecting the best fiber supplement. You can buy from Garden of Life, Yerba Prima, or any brand, provided their products function well for you.

Here, we have given Metamucil the top ranking. But, you can select Benefiber if you think it's best for increasing dietary fiber in your diet.

Furthermore, you need to review dietary supplements based on their amount of fiber. Also, if you have any allergies, take a close look at the ingredients.

Most importantly, not all supplements contain the same types of fiber. The fiber type can be a deciding criterion for you. Besides that, you need to check side effects like their ability to form excess gas.

Conclusion

The whole foods you are consuming may give you enough dietary fiber. Dietary supplements offer practical strategies for getting more fiber.

But, before selecting any supplement, check how much fiber and the types of fiber it has. Also, you need to consider your health requirements and the supplement's action mechanism.

Metamucil is a good option to supplement your fiber intake. This product promotes improved digestive health and better management of weight and cholesterol.

Its availability in different forms gives you many choices. Also, their multiple forms help in their easy integration into your daily schedule.

Click here to get Metamucil at a Discounted Price.

>>Related Article: 7 Best Probiotics for Women • Top Picks of 2024

Best Fiber Supplements FAQs

What are fiber supplements?

Fiber supplements represent a broad category of fiber-packed nutritional products for meeting the required fiber intake. They are available as powders, capsules, and baked items.

But, supplements are not food replacements. People consume these in addition to the ongoing diet to promote healthy weight management and good gut health. Also, supplements may aid in preventing or helping in treating chronic diseases.

Are supplements with soluble fiber a better choice?

Soluble fiber dissolves to form a gel-like substance in the digestive tract. By doing so, it restricts the digestion of some dietary cholesterol.

These actions lower cholesterol, reducing the risk of heart disease. Thus, supplements containing soluble fiber are a good choice for your health.

What makes dietary fiber good for your health?

Dietary fiber, the indigestible part of plant food, promotes improved gut health. It aids in the easier movement of stool through the colon and thereby prevents constipation. Thus, it reduces the time wasted on materials spent inside the intestines.

Besides, the fermentation of dietary fiber promotes a good micro-environment for the gut microbiome. This action prevents the growth of harmful gut bacteria.