THORNE – FiberMend – Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* – 11.6 Oz

Price: $45.00 - $44.00
(as of Mar 24, 2026 03:15:09 UTC – Details)

Product description

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1 Testing

2 The “No-List”

3 U.S. Manufactured

4 Formulation

5 Quality Ingredients

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Customer Reviews

4.3 out of 5 stars 1,127

4.2 out of 5 stars 6,970

4.7 out of 5 stars 15,687

4.7 out of 5 stars 1,500

4.6 out of 5 stars 2,899

4.4 out of 5 stars 6,067

4.3 out of 5 stars 2,291

Price

$44.00$44.00

$36.00$36.00

$44.00$44.00

$25.00$25.00

$41.00$41.00

$44.00$44.00

$52.00$52.00

Servings

30

30

90

90

90

30

60

Primary Benefits

Gut Health

Foundational Support

Sports Performance

Muscle & Sleep Support

Heart & Brain Health

Heart & Gut Health

Muscle & Sleep Support

Key Ingredients

Guar Gum, Arabinogalactan

Vitamin B, Magnesium

Creatine Monohydrate

Magnesium Glycinate

Omega-3 Fatty Acids

Berberine Phytosome

Magnesium

Gluten & Dairy Free

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Trusted by 45K+ Health Pros

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3rd Party Certified

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Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 4.86 x 4.86 x 6.18 inches; 12 ounces
Item model number ‏ : ‎ SP635
Date First Available ‏ : ‎ February 9, 2013
Manufacturer ‏ : ‎ Thorne Research
ASIN ‏ : ‎ B00BGJ7EBC
Best Sellers Rank: #3,982 in Health & Household (See Top 100 in Health & Household) #21 in Dietary Fiber Nutritional Supplements
Customer Reviews: 4.3 4.3 out of 5 stars (1,127) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Prebiotic: Fiber formula
Healthy Bowel: Promotes regularity*
Well-Tolerated: No bloating, cramping, or gas*
3rd Party Contents Certified: This product has been third-party tested and certified to verify what’s in the package matches what’s on the label
Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)