Best Powder Dietary Fiber Supplements of 2026

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 27, 2026

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Powder dietary fiber supplements are a popular option for those looking to increase their daily fiber intake. These supplements come in a variety of flavors and can be easily mixed into food or drinks. They are made from natural sources such as psyllium husk, oat bran, and flaxseed, which provide a range of health benefits including improved digestion, weight management, and lower cholesterol levels. Powder dietary fiber supplements are a convenient and effective way to ensure you are getting enough fiber in your diet, especially for those who struggle to consume enough fiber-rich foods.

At a Glance: Our Top Picks

Benefiber Daily Prebiotic Fiber Supplement Powder Cover #TOP 1
Benefiber Daily Prebiotic Fiber Supplement Powder
ftb score rating icon 9.9
Metamucil Psyllium Husk Powder Fiber Supplement Cover #TOP 2
Metamucil Psyllium Husk Powder Fiber Supplement
ftb score rating icon 9.8
Metamucil Psyllium Husk Fiber Powder, Sugar-Free, Orange Cover #TOP 3
Metamucil Psyllium Husk Fiber Powder, Sugar-Free, Orange
ftb score rating icon 9.6

Top 10 Powder Dietary Fiber Supplements

Benefiber Daily Prebiotic Fiber Supplement Powder

NOV01383
Benefiber Daily Prebiotic Fiber Supplement Powder Cover
Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored - 125 Servings (17.6 Ounces)

Benefiber Fiber Powder is a dietary supplement that supports good digestive health. It nourishes the good bacteria in your gut and creates an environment for good digestive health. This unflavored fiber dietary supplement is gluten-free, sugar-free, and has no artificial flavors. The powder dissolves clear and completely, making it easy to mix into your favorite foods and beverages. To use, simply stir two teaspoons into four to eight ounces of a non-carbonated beverage or soft food three times daily, for ages 12 years and older.

What We Like
Fast-acting relief
No taste or odor
Mixes easily in drinks
Gentle on stomach
Plant-based formula

Metamucil Psyllium Husk Powder Fiber Supplement

037000741343
Multi
Metamucil Psyllium Husk Powder Fiber Supplement Cover
Metamucil 4-in-1 Psyllium Husk Fiber Supplement, Real Sugar, 114 tablespoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Metamucil Multi-Health Fiber Powder is a plant-based fiber supplement that helps promote digestive health and regularity. Made with naturally sourced psyllium fiber and sweetened with real sugar, it supports healthy blood sugar levels and promotes heart health by lowering cholesterol. Taking Metamucil every day can help you feel lighter and more energetic by trapping and removing waste that weighs you down. One serving of Metamucil has 2.4 grams of soluble fiber, and it is available in an orange smooth sugar flavor.

What We Like
Improved digestion
Pleasant orange flavor
Easy to mix
Supports regularity
Helps with appetite control
#TOP 3

Metamucil Psyllium Husk Fiber Powder, Sugar-Free, Orange

168112
Multi
Metamucil Psyllium Husk Fiber Powder, Sugar-Free, Orange Cover
Metamucil 4-in-1 Psyllium Husk Fiber Supplement, Sugar-Free, 72 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Metamucil Fiber Powder offers a unique blend of psyllium husk fiber that supports your digestive health, helping you maintain regularity and feel lighter. It also contributes to heart health by assisting in lowering cholesterol levels, which is important for overall wellness. This supplement helps keep your blood sugar levels in check, making it easier to manage your energy throughout the day. Additionally, it aids in appetite control, helping you feel fuller longer and supporting healthy eating habits. With its sugar-free formula and refreshing orange flavor, it’s a convenient and tasty way to add essential fiber to your daily routine.

What We Like
Promotes regular bowel movements
Easy to mix and drink
Natural and gentle on stomach
Helps control appetite
Great taste

Benefiber On the Go Prebiotic Fiber Powder

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Benefiber On the Go Prebiotic Fiber Powder Cover
Benefiber On The Go Prebiotic Fiber Supplement Powder for Digestive Health, Daily Fiber, Unflavored - 28 Sticks (3.92 Ounces)

Benefiber Fiber Powder is a convenient daily supplement that supports your digestive health. Each package contains 28 unflavored stick packs, making it easy to take on the go. This prebiotic fiber powder helps nourish the beneficial bacteria in your gut, promoting overall digestive wellness. It's free from sugar, gluten, and artificial flavors, so you can feel good about what you're consuming. Plus, it dissolves completely in your favorite foods and drinks, allowing you to incorporate it seamlessly into your diet. Just mix a stick into a non-carbonated beverage or soft food for a simple health boost.

What We Like
Convenient single-serve packets
No taste or aftertaste
Dissolves completely and quickly
Supports gut and digestive health
Travel-friendly and mess-free
#TOP 5

Benefiber Daily Prebiotic Fiber Supplement Powder

44061729
Benefiber Daily Prebiotic Fiber Supplement Powder Cover
Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Daily Fiber Powder, Unflavored - 62 Servings (8.7 Ounces)

Benefiber Daily Prebiotic Fiber Supplement Powder is an unflavored dietary fiber supplement that supports good digestive health by nourishing the good bacteria in your gut with wheat dextrin. This clear powder dissolves completely in foods and beverages, making it easy to incorporate into your daily routine. It is gluten and sugar-free and supports an environment for good digestive health.

What We Like
Improves digestive health
Unflavored and versatile
No gritty texture
Convenient packaging
Prebiotic benefits

Metamucil Unflavored Clear Fiber Powder

Metamucil Unflavored Clear Fiber Powder Cover
Metamucil Fiber Supplement, Unflavored Clear Mixing Powder, No Grit, No Sugar Added, Plant Based Prebiotic Fiber Supplement Blend for Daily Digestive Health, 75 teaspoons

Metamucil Clear Fiber is an unflavored, easy-to-mix powder that can seamlessly fit into your daily diet. You can enjoy it in various beverages like coffee, smoothies, or juice without any gritty texture. This fiber supplement promotes regular bowel movements, helping you relieve occasional constipation. It also contains prebiotic Inulin, which supports the growth of beneficial gut bacteria, enhancing your digestive health. With the trusted Metamucil brand, you can feel confident in adding this fiber blend to your routine for better digestive wellness.

What We Like
Easy to mix
Supports digestive health
Relieves occasional constipation
No added sugar
Promotes good gut bacteria
#TOP 7

Thorne FiberMend Prebiotic Fiber Powder

SP635
Thorne FiberMend Prebiotic Fiber Powder Cover
THORNE - FiberMend - Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* - 11.6 Oz

Thorne FiberMend is a high-quality, easy-to-use fiber formula to promote regularity and balanced GI flora. It contains prebiotic fiber to support healthy bowel movement without bloating, cramping, or gas. The powder is high in soluble fiber, easily mixes with water, and is free from gluten, soy, dairy, shellfish, and fish. Thorne Research, the manufacturer, is known for delivering premium, science-based products with exceptional formulation and quality. Thorne adheres to the FDA's cGMPs and has the highest number of NSF Certified for Sport products.

What We Like
Promotes regularity and balanced GI flora
No bloating, cramping, or gas
High in soluble fiber
Free from gluten, soy, dairy, shellfish, and fish
Manufactured by Thorne Research with exceptional formulation and quality

Physician's Choice Fiber Gummies Raspberry Lemon 60CT

Physician's Choice Fiber Gummies Raspberry Lemon 60CT Cover
Physician’s Choice Fiber Gummies for Digestive Health & Regularity - Raspberry Lemon Flavor - No Sugar Added & Vegan - Natural Chicory Root Prebiotic Fiber - Daily Gummy for Adults, Women & Men - 60CT

Physician's Choice Fiber Gummies provide an easy and tasty way to support your digestive health with 5 grams of prebiotic fiber per serving. Designed with doctors, these gummies help you get the fiber you need without the hassle of pills or powders. You can enjoy them daily, as they contain no added sugars, artificial sweeteners, or dyes, making them a clean and natural choice. The raspberry lemon flavor offers a refreshing and pleasant taste, turning fiber intake into a treat. Plus, the natural chicory root fiber feeds your gut's good bacteria, promoting smooth digestion and regularity for your overall gut wellness.

What We Like
5g prebiotic fiber per serving
No added sugar or artificial ingredients
Natural chicory root fiber
Doctor-developed formula
Delicious raspberry lemon flavor
#TOP 9

Physician's CHOICE Easy Mix Fiber Powder

Physician's CHOICE Easy Mix Fiber Powder Cover
Physician's CHOICE Easy Mix Fiber for Digestive Health & Regularity - No Grit, Sugar Free, & Tasteless - Daily Prebiotic Soluble Fiber Powder Supplement for Women and Men - Unflavored - 7.1oz

Physician's CHOICE Easy Mix Fiber is a gentle, natural fiber supplement designed to support your digestive health and keep you feeling full between meals. With 6 grams of prebiotic fiber per serving, it helps promote regular digestion and balanced hunger. This powder blends smoothly into any hot or cold drink without clumps or gritty texture, making it easy and pleasant to use daily. Unlike traditional fiber supplements that can become thick and unpleasant, this unflavored formula stays smooth and contains no sugar or artificial ingredients, offering a clean and simple way to improve your gut health.

What We Like
Natural prebiotic fiber
Mixes smoothly, no grit
Supports digestion and fullness
Sugar-free and tasteless
#TOP 10

Belli Welli Organic Acacia Fiber Supplement

FG-DM-STL16-DC
Pink
Belli Welli Organic Acacia Fiber Supplement Cover
Belli Welli Fiber Supplement for Women&Men, Premium Daily Fiber Powder from Organic Acacia with Added Collagen, Electrolytes&Probiotics, No Bloat, Constipation&Gut Health Support (Strawberry Lemonade)

The Belli Welli Fiber Powder is a carefully crafted supplement designed to support your digestive health. Developed by doctors and verified through third-party testing, it ensures you get a reliable product without any artificial ingredients. Made from organic acacia fiber, this powder helps promote smooth digestion and keeps your gut balanced without causing uncomfortable bloating or gas. With just 2 grams of sugar per serving, it’s a low-sugar option that fits well into a healthy lifestyle. Plus, it dissolves quickly and is gentle on your stomach, making it easy to add to your daily routine without any digestive discomfort.

What We Like
Doctor-formulated quality
Organic acacia fiber
Low sugar content
Easy to digest mix
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Is drinking fiber powder good for you?

There's no evidence that daily use of fiber supplements — such as psyllium (Metamucil, Konsyl, others) or methylcellulose (Citrucel) — is harmful. Fiber has a number of health benefits, including normalizing bowel function and preventing constipation.

2. Is there such thing as fiber powder?

Citrucel with SmartFiber Another common soluble fiber is methylcellulose, a semi-synthetic form of cellulose, an essential structure in plants ( 15 , 16 ). Methylcellulose is commonly found on the shelves in products like Citrucel with SmartFiber, which is 100% soluble fiber and found in powder or caplet form (17).

3. What is fiber powder good for?

Fiber supplements typically are taken to help maintain the healthy functioning of the digestive system, aid in weight loss, and help treat or prevent certain diseases and conditions.

4. Is fiber powder the same as Metamucil?

Benefiber and Metamucil are both fiber supplements, but they are not the same. Benefiber contains wheat dextrin and is only approved as a fiber supplement. Metamucil contains psyllium, and in addition to being an approved fiber supplement, is also approved as a bulk-forming laxative.

Editor's Notes

During our powder dietary fiber supplement research, we found 24 powder dietary fiber supplement products and shortlisted 10 quality products. We collected and analyzed 260,756 customer reviews through our big data system to write the powder dietary fiber supplements list. We found that most customers choose powder dietary fiber supplements with an average price of $17.91.

The powder dietary fiber supplements are available for purchase. We have researched hundreds of brands and picked the top brands of powder dietary fiber supplements, including Benefiber, Metamucil, THORNE, Physician's CHOICE, Belli Welli. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.