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Best fiber powders - April 2026

Last Updated - April 3, 2026

1
Best Choice
18% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KIRKLAND
18% Off

Kirkland Signature OPTIFIBER, 25.6 Ounces 190 Servings (2 Pack)

KIRKLAND

$35.90

$43.99
(18% Off)

More Details
Main highlights
- Non-Thickening and Grit-Free
- Natural Fiber Supplement
- Completely Dissolves in Water
- 190 Servings
$35.90
$43.99 (18% Off)
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Metamucil

Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Metamucil

$34.97

More Details
Main highlights
- for 4-in-1 health benefits!
- SUGAR-FREE fiber powder with refreshing orange flavor (not a low calorie food).
- PSYLLIUM HUSK FIBER helps support: digestive health*, heart health by lowering cholesterol, healthy blood sugar levels*, and appetite control*.
- FEEL WHAT LIGHTER FEELS LIKE. Metamucil psyllium husk fiber helps promote regularity* so you can feel lighter and more energetic**.
- 4 HEALTH BENEFITS, 1 DAILY FIBER. Metamucil is the only leading fiber brand made with psyllium husk fiber
- 1 IN 10 AMERICANS GET ENOUGH FIBER from diet alone. Help close your fiber gap by supplementing with Metamucil powders daily.
- #1 DOCTOR RECOMMENDED fiber brand. Trusted for over 90 years.
$34.97
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Benefiber

Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored - 250 Teaspoons (17.6 Ounces)

Benefiber

$22.98

More Details
Main highlights
- WHAT'S INCLUDED: One 17.6-ounce bottle of unflavored Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health (1)
- SUPPORTS DIGESTIVE HEALTH: Daily fiber powder supplement that nourishes the growth of good bacteria that exist in your gut to help you maintain good digestive health
- SUGAR FREE, GLUTEN FREE, AND LOW CALORIE: Benefiber Prebiotic Fiber Supplement Powder contains no sugar, gluten or artificial flavors
- PLANT-BASED PREBIOTIC FIBER: Made with wheat dextrin, a plant-based fiber that nourishes your gut’s good bacteria and helps them grow (1)
- HSA and FSA eligible product
- DISSOLVES CLEAR AND COMPLETELY: Benefiber Prebiotic Fiber Supplement Powder is taste free, grit free, and dissolves clear and completely when you mix into non carbonated beverages and food (2)
- BENEFIBER, AMERICA'S #1 PREBIOTIC FIBER BRAND: Benefiber gives your gut prebiotic fiber it needs to stay in harmony with the rest of your body
- BENEFIBER HELPS YOU FEEL FULLER LONGER: GLP-1 support for fiber gap*
$22.98
4
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Benefiber

Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored - 250 Teaspoons (17.6 Ounces)

Benefiber

$21.83

$22.98
(5% Off)

More Details
Main highlights
- WHAT'S INCLUDED: One 17.6-ounce bottle of unflavored Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health (1)
- SUPPORTS DIGESTIVE HEALTH: Daily fiber powder supplement that nourishes the growth of good bacteria that exist in your gut to help you maintain good digestive health
- SUGAR FREE, GLUTEN FREE, AND LOW CALORIE: Benefiber Prebiotic Fiber Supplement Powder contains no sugar, gluten or artificial flavors
- PLANT-BASED PREBIOTIC FIBER: Made with wheat dextrin, a plant-based fiber that nourishes your gut’s good bacteria and helps them grow (1)
- HSA and FSA eligible product
- DISSOLVES CLEAR AND COMPLETELY: Benefiber Prebiotic Fiber Supplement Powder is taste free, grit free, and dissolves clear and completely when you mix into non carbonated beverages and food (2)
- BENEFIBER, AMERICA'S #1 PREBIOTIC FIBER BRAND: Benefiber gives your gut prebiotic fiber it needs to stay in harmony with the rest of your body
- BENEFIBER HELPS YOU FEEL FULLER LONGER: GLP-1 support for fiber gap*
$21.83
$22.98 (5% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Metamucil

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

Metamucil

$17.97

More Details
Main highlights
- for 4-in-1 health benefits!
- SUGAR-FREE AND DELICIOUS smooth textured fiber powder with a refreshing orange flavor.
- PSYLLIUM HUSK FIBER helps support: digestive health*, heart health by lowering cholesterol, healthy blood sugar levels*, and appetite control*
- FEEL WHAT LIGHTER FEELS LIKE. Metamucil psyllium husk fiber helps promote regularity* so you can feel lighter and more energetic**
- 4 HEALTH BENEFITS, 1 DAILY FIBER. Metamucil is the only leading fiber brand made with psyllium husk fiber
- 1 IN 10 AMERICANS GET ENOUGH FIBER from diet alone. Help close your fiber gap by supplementing with Metamucil powders daily
- #1 DOCTOR RECOMMENDED fiber brand. Trusted for over 90 years
$17.97

Best fiber powders - April 2026

Kirkland Signature OPTIFIBER, 25.6 Ounces 190 Servings (2 Pack)

Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored - 250 Teaspoons (17.6 Ounces)

Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored - 250 Teaspoons (17.6 Ounces)

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

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

Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 180 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Nutricost Prebiotic Fiber Unflavored (1 Pound) - Vegan, Gluten-Free, GMO-Free

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Benefiber Daily Prebiotic Fiber Supplement Powder for Digestive Health, Unflavored -124 Teaspoons (8.7 Ounces)

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