18 Top Fiber Supplements for IBS Diarrhea Relief

Discover the best fiber supplement for IBS diarrhea to soothe your gut and restore balance quickly. Find the perfect fiber to tame your symptoms today.
BrandMy RatingPrice
Now Foods
Top Money-Saving Choice
9.2/10
Zenwise Health
Best for Fast Relief
8.8/10
Florasophy
Best for Digestive Regulation
8.0/10
Docdigest by Design
Best for Probiotic Support
7.8/10
Benefiber
9.4/10

Best Fiber Supplement for Ibs Diarrhea

Struggling with IBS-related diarrhea can feel like an endless rollercoaster of discomfort and uncertainty. Finding the perfect fiber supplement is your ticket to calmer days, offering a gentle yet effective way to restore balance. Let’s unravel the best options to soothe your gut and bring harmony back to your digestion.

Top Money-Saving Choice: NOW Psyllium Husk Capsules

NOW Foods Supplements, Psyllium Husk Caps 500 mg, Non-GMO Project Verified, Natural Soluble Fiber, Intestinal Health*, 200 Veg Capsules
Highlights
Supports gut health
Convenient capsule form
Non-GMO verified

The NOW Foods Psyllium Husk Caps deliver a natural way to boost your fiber intake without any fuss. They swell up significantly in liquid, promoting regularity and supporting gut health—key benefits for IBS-related diarrhea.

Plus, their certified non-GMO, vegan, and gluten-free status means they meet strict quality standards, giving you confidence in what you're taking.

The capsule form is super convenient, especially if swallowing pills isn’t your favorite.

Just remember, consistency is key — some users might experience mild bloating or need multiple capsules per dose.

Overall, a wallet-friendly choice with solid benefits.

Be sure to also check out the best fiber supplement for gay men for more options! Also, here is the price history so you know exactly when to buy!

Price history for NOW Psyllium Husk Capsules on Amazon

Best for Fast Relief: Zenwise Health Digestive Enzymes

Zenwise Health Digestive Enzymes for Gut Health - Probiotic Multi Enzymes with Prebiotics and Probiotics for Women and Men for Digestive Health and Bloating Relief, Daily Enzymes for Digestion -180 CT
Highlights
Fast-acting enzymes
Clinically proven probiotics
Plant-based formula

This 3-in-1 formula delivers fast relief thanks to powerful, fast-acting enzymes that start working immediately, breaking down food up to 39% more completely and easing indigestion.

The clinically proven probiotics ensure your gut flora is balanced and effective within hours, targeting that pesky IBS-D discomfort precisely where it counts.

Plus, it’s all plant-based, nourishing your microbiome while supporting overall digestion and immunity.

While long-term data is limited, its rapid results and natural ingredients make it a top pick for quick, effective relief.

Be sure to also check out the best fiber supplement for low-carb diet for more options! Also, here is the price history so you know exactly when to buy!

Price history for Zenwise Health Digestive Enzymes on Amazon

Best for Digestive Regulation: Florasophy

Firm Up Organic Soluble Fiber Supplement for Digestive Gut Health, Diarrhea Control & IBS Relief, Gluten Free Vegan Prebiotic Powder, One Month Supply
Highlights
Supports firm stool
Organic ingredients
Feeds healthy bacteria

Firm Up Organic Soluble Fiber truly lives up to its name as the best for digestive regulation. Its organic ingredients, like Psyllium Seed and Chia Seeds, work diligently to absorb water and promote firmer, well-formed stool—perfect for those battling loose stools and urgent trips to the bathroom.

The formula also feeds your healthy gut bacteria, supporting overall microbiome health.

While the texture can be a bit gritty and the taste earthy (think dirt), the gradual results—improved stool consistency, better digestion, and even enhanced energy—make it worth it for many users.

Be sure to also check out the best fiber supplement after gastric bypass for more options! Also, here is the price history so you know exactly when to buy!

Price history for Florasophy on Amazon

Best for Probiotic Support: DocDigest IBS Relief

IBS Anti Diarrhea Probiotic for Diarrhea Relief and IBS-D - Clinically Studied Antidiarrheal Pills for Long-Term Comfort - Diarrhea Medication for Adults - Specialized IBS Supplement and Medicine
Highlights
Clinically proven relief
Supports bowel regularity
Boosts emotional well-being

As "Best for Probiotic Support," this blend features clinically studied strains that specifically target IBS-D symptoms.

Not only does it help improve stool consistency and reduce bathroom visits, but it also supports overall gut health and mental well-being, making daily life feel a bit easier.

While it may take a few weeks to see full benefits and could cause some stomach upset initially, its scientific backing and focus on gut-brain health make it a reliable choice for those seeking probiotic relief.

Overall, a solid option to help manage IBS diarrhea with confidence.

Be sure to also check out the best iron supplement for bariatric patients for more options! Also, here is the price history so you know exactly when to buy!

Price history for DocDigest IBS Relief on Amazon

Benefiber

Benefiber On the Go Prebiotic Fiber Supplement Powder for Digestive Health, Daily Fiber, Unflavored - 28 Sticks (3.92 Ounces)
Highlights
Tasteless and unflavored
Easy to mix in drinks
Effective for regularity

Benefiber's unflavored powder sticks are super convenient, easily blending into your favorite drinks or foods without altering the taste.

It’s a gentle prebiotic that nurtures your gut’s beneficial bacteria, helping ease diarrhea associated with IBS.

Plus, since there's no artificial flavors, sugars, or gluten, it’s a clean choice for sensitive stomachs.

While it’s not a laxative and careful dosing is key, its effective natural fiber support makes it a top pick.

Overall, Benefiber delivers a subtle, reliable boost for digestive comfort in a simple, hassle-free form.

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Price history for Benefiber on Amazon

Fibercon

FiberCon Fiber Therapy Coated Caplets, Safe, Simple & Comfortable Insoluble Fiber for Bowel Irregularity, Comfortable Constipation Relief with No Gas or Bloating, 140 Caplets
Highlights
Easy to swallow caplets
No gas or bloating
Effective constipation relief

FiberCon’s coated caplets make relief simple and mess-free, perfect for those on the go.

Unlike powders, there's no sticky mixing or discomfort, and no gas or bloating after dosing—crucial for IBS sufferers.

The insoluble fiber works naturally, helping to regulate bowel movements without harsh stimulants or cramping.

Plus, they’re easy to swallow, with no unpleasant aftertaste.

While it takes 12-72 hours to see results, the combination of safety, effectiveness, and convenience makes FiberCon a top choice for managing diarrhea in a gentle, reliable way.

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Price history for Fibercon on Amazon

Iberogast Fiber Supplement for Ibs Diarrhea

Iberogast Softgels, Herbal Relief of Stomach Upsets: Occasional Indigestion, Bloating, Gas, Nausea, Upset Stomach; 6-Herb Blend with Iberis Amara, Peppermint, Licorice, Lemon Balm; 30ct
Highlights
Fast, effective relief
Natural herbal ingredients
Clinically proven

Iberogast delivers fast, effective relief thanks to its unique blend of six powerful herbs.

Unlike typical probiotics or enzymes, it targets multiple gut functions, helping to calm nerves, reduce stomach acid, and support the gut lining.

Its natural herbal ingredients make it a great choice for those seeking gentle, clinically proven relief.

That said, the herbal taste is pretty strong, and the gel caps can be a bit squishy, but overall, Iberogast is a trusted, plant-based solution for managing IBS-related diarrhea.

Be sure to also check out the best collagen supplement for ibs for more options! Also, here is the price history so you know exactly when to buy!

Price history for Iberogast on Amazon

Vitafusion

Vitafusion Fiber Well Sugar Free Fiber Supplement, Peach, Strawberry And Blackberry Flavored Supplements, 90 Count
Highlights
Tasty and fruity flavors
Convenient and easy to chew
Sugar-free with prebiotics

These gummies are deliciously fruity, making daily fiber intake feel like a treat rather than a chore.

They’re incredibly convenient—no pills to swallow or unpleasant textures to deal with.

Plus, with 5 grams of prebiotic fiber per serving, they support digestive health effectively, especially for those managing IBS diarrhea.

The sugar-free formula and natural flavors add to their appeal, and the bright flavors—peach, strawberry, and blackberry—make each dose enjoyable.

While the gummies can be a bit rubbery and might need to be paired with other remedies for best results, they’re a tasty way to boost your fiber intake with ease.

Be sure to also check out the best mineral supplement for water for more options! Also, here is the price history so you know exactly when to buy!

Price history for Vitafusion on Amazon

Medtrition IbTrol

IBtrol® 3–in–1 IBS Gut Health Supplement with Psyllium, Prebiotic and Probiotics, Manages IBS Symptoms, Gas, Bloating, Diarrhea, Constipation, Abdominal Pain 60 Servings (Natural Orange Flavor)
Highlights
Effective for gut calmness
Pleasant orange flavor
Comprehensive 3-in-1 formula

IBtrol's triple-therapy approach tackles IBS on multiple fronts, making it a true all-in-one solution.

The premium blonde psyllium helps normalize stool and reduces discomfort, while the carefully selected prebiotics and probiotics work together to soothe the gut and rebuild healthy microbiota.

The natural orange flavor makes it a pleasant addition to your daily routine.

While the price is a bit higher, the comprehensive formula offers long-term relief that many single-ingredient options can't match.

If you're seeking holistic IBS management, IBtrol truly stands out as an effective, science-backed choice.

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Price history for Medtrition IbTrol on Amazon

Benefiber Fiber Supplement for Ibs Diarrhea

Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Daily Fiber Powder, Unflavored - 62 Servings (8.7 Ounces)
Highlights
Easy to dissolve
No taste or grit
Prebiotic benefits

The Haleon US Services Inc. fiber supplement is a gentle solution for IBS-related diarrhea, thanks to its prebiotic benefits that support gut health.

It dissolves easily into your favorite foods without leaving any gritty aftertaste, making it super convenient for daily use.

Plus, with zero sugar and low calories, it seamlessly fits into a balanced diet.

The only hiccup we found was occasional clumping in almond milk—something a quick stir can fix.

Overall, its ease of use and effective relief make it a top contender for those seeking a simple, effective fiber boost.

Be sure to also check out the best supplement for vaginal health for more options! Also, here is the price history so you know exactly when to buy!

Price history for Benefiber on Amazon

Metamucil

Metamucil 3-in-1 Fiber Capsules, Daily Psyllium Husk Fiber Supplement, Fiber Capsules for Digestive Health, Plant-Based Psyllium Husk Fiber Capsules, #1 Doctor Recommended Fiber Brand, 300ct Capsules
Highlights
Supports regularity
Plant-based psyllium
Doctor recommended

Metamucil Daily Fiber Capsules are exceptionally convenient for those who need quick relief and support for IBS-related diarrhea.

Made with just two simple ingredients—mainly plant-based psyllium husk—they're a clean, reliable choice.

The capsules are easy to carry around, making it simple to stick with your routine even on busy days.

Plus, their proven benefits extend beyond digestion—they support heart health and help maintain normal blood sugar levels.

While they might cause some bloating or require adequate water intake, their doctor-recommended status and high customer ratings make them a solid option for many.

Be sure to also check out the best allicin supplement for sibo for more options! Also, here is the price history so you know exactly when to buy!

Price history for Metamucil on Amazon

JLM Nutritional IBSolution

IBSolution - Digestive Health Supplement, Gas, Bloating, Diarrhea, Constipation Relief, Abdominal Pain, With Psyllium, Promote Regularity, Supports Gut Health, Made in USA - 60 Vegan Capsules, 2-Pack
Highlights
All-natural ingredients
Supports regularity
Positive customer feedback

IBSolution is crafted with all-natural ingredients like slippery elm, aloe, and psyllium, making it a gentle yet effective option for tummy troubles.

Many users report improved regularity without the cramping or gas often associated with fiber supplements.

Plus, it's vegan, gluten-free, and non-GMO, catering to various dietary needs.

The capsules are easy to take twice daily, offering a cost-effective solution at under a dollar a day.

While individual results may vary, the positive customer feedback and quality ingredients make this a solid choice for managing IBS-related diarrhea.

Be sure to also check out the best supplement for bigger loads for more options! Also, here is the price history so you know exactly when to buy!

Price history for JLM Nutritional IBSolution on Amazon

NOW Psyllium Husk Fiber Supplement for Ibs Diarrhea

NOW Foods Supplements, Psyllium Husk Caps 500 mg, Non-GMO Project Verified, Natural Soluble Fiber, Intestinal Health*, 500 Veg Capsules
Highlights
Supports gut health
Convenient capsule form
Non-GMO & Vegan

The NOW Psyllium Husk capsules deliver natural soluble fiber that gently bulks up your stool, aiding in maintaining regularity and supporting overall gut health.

The capsules are convenient for on-the-go lifestyles, and their non-GMO, vegan certification gives us confidence in their quality.

While the fiber per dose isn’t towering, taking multiple capsules still helps bump up your fiber intake without the gritty texture of powder.

Plus, it’s made in the USA by a trusted family-owned company, ensuring consistent quality.

Overall, a solid choice for easing IBS diarrhea with minimal fuss.

Be sure to also check out the best supplement for dog dementia for more options! Also, here is the price history so you know exactly when to buy!

Price history for NOW Psyllium Husk on Amazon

Physicians Choice Probiotics

Physician's CHOICE Probiotics 60 Billion CFU - 10 Strains + Organic Prebiotics - Immune, Digestive & Gut Health - Supports Occasional Constipation, Diarrhea, Gas & Bloating - for Women & Men - 60ct
Highlights
Supports digestive health
Survives gut environment
Backed by science

The Max Strength General Probiotic packs a punch with 60B CFU and 10 diverse strains, making it a solid choice for those managing IBS-related diarrhea.

Its shelf-stable, acid-resistant capsules ensure the probiotics survive the journey through your stomach, maximizing colonization where it counts.

Plus, it’s backed by science and third-party tested for purity.

While consistent use is key, many users notice improved digestion and reduced bloating over time.

Just remember, it’s not an instant fix and may require a little water adjustment, but for many, it’s a reliable supporting player in maintaining gut balance.

Be sure to also check out the best zinc supplement for goats for more options! Also, here is the price history so you know exactly when to buy!

Price history for Physicians Choice Probiotics on Amazon

GOBIOTIX

GOBIOTIX Prebiotic Fiber Supplement Powder for Digestive Health, Soluble Fiber for Gut Health, Gluten & Sugar Free, Keto, Vegan, 35 Servings (1 Pack)
Highlights
Tasteless and easy to mix
Supports gut health naturally
No artificial additives

Gobiotix’s organic, plant-based prebiotic blend is a game-changer for those suffering from IBS-related diarrhea.

It promotes a healthy gut ecosystem by supporting beneficial bacteria while blocking dietary lectins—an essential step toward easing discomfort.

Plus, it's tasteless and easy to incorporate into your daily routine, whether you're keto, paleo, or following another diet.

We appreciate its clean ingredient profile—no artificial additives, just real food support.

While some users may experience bloating initially and consistent use is recommended, this supplement offers a natural, gut-friendly approach to digestive health that truly resonates.

Be sure to also check out the best supplement for veins for more options! Also, here is the price history so you know exactly when to buy!

Price history for GOBIOTIX on Amazon

Metamucil Fiber Gummies Fiber Supplement for Ibs Diarrhea

Metamucil Fiber Gummies for Adults, No Sugar Added Orange Flavor, 5g Prebiotic Plant Based Fiber Supplement Blend, 120 Count
Highlights
Great tasting orange flavor
No sugar added
Supports digestive health

These Metamucil Fiber Gummies deliver a great tasting orange flavor without any added sugar—making them a tasty way to boost your fiber intake.

Packed with 5g of plant-based prebiotic fiber, they help feed good gut bacteria and keep digestive balance in check.

While some users might experience mild gas or find it tricky to dispense multiple gummies, the overall health benefits easily outweigh these minor drawbacks.

Plus, with the trusted name of Metamucil behind it, you know you're in good hands for managing IBS-related diarrhea.

Be sure to also check out the best supplement for flexibility for more options! Also, here is the price history so you know exactly when to buy!

Price history for Metamucil Fiber Gummies on Amazon

Kirkland Fiber

Fiber Capsules Kirkland Therapy for Regularity/Fiber Supplement, 360 capsules - Compare to the Active Ingredient in Metamucil Capsules
Highlights
Effective digestion support
Easier than powder mix
Natural soluble fiber

Kirkland Signature's Fiber Supplement is a great choice for those seeking a natural, soluble fiber boost to ease IBS-related diarrhea.

Its easy-to-swallow tablets make daily dosing hassle-free, especially compared to powders.

The bulk-forming laxative supports healthy digestion and regularity without the unpleasant lingering taste some competitors have.

While the tablets might be a bit tough to swallow for some, the attention to effective, gentle relief makes this a reliable staple in managing IBS symptoms.

Just remember to follow the directions for optimal results!

Be sure to also check out the best joint supplement for dogs with allergies for more options! Also, here is the price history so you know exactly when to buy!

Price history for Kirkland Fiber on Amazon

Garden of Life Fiber

Garden of Life Raw Organic Fiber Supplement Powder - 10 Servings, 15 Organic Superfoods + Probiotics & Omega-3 ALA, 4g Soluble & 5g Insoluble Fiber for Regularity - Psyllium Free
Highlights
Supports bowel regularity
Whole food fiber sources
Probiotics & Omega 3

Garden of Life's Raw Organic Fiber is a powerhouse supporting gut health with a blend of 15 superfoods, including flax, quinoa, and chia—no fillers, just pure nourishment.

Its beneficial probiotics and Omega-3s add extra health perks along with 9 grams of fiber per serving, making it ideal for those needing relief from IBS-related diarrhea.

The unflavored, easy-to-mix powder appeals even to picky eaters, blending seamlessly into smoothies or yogurt.

Though it thickens in liquids and has a mild nutty taste, these are minor trade-offs for such a clean, organic, and versatile supplement that truly prioritizes gut detox and regulation.

Be sure to also check out the best berberine supplement for sibo for more options! Also, here is the price history so you know exactly when to buy!

Price history for Garden of Life Fiber on Amazon

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