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FiberMend

product on market Powder Thorne Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 12% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

FiberMend contains Sunfiber AG and rice bran, which are soluble fibers used to support digestive regularity. There is strong evidence that these prebiotic fibers promote beneficial gut bacteria and improve bowel function. The formulation maintains a high safety profile for general consumption.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for FiberMend
Open Full PDF View on NIH DSLD →
Details

Label Data

11 Gram(s)
Serving Size
30
Servings
Botanical with Nutrients
Product Type
12%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
45 Calorie(s)
Total Fat
1 Gram(s) (1% DV)
Total Carbohydrates
9 Gram(s) (3% DV)
8 Gram(s)
Market median: 100.0mg (1 products) 42 studies (A:1, B:15)
Rice Bran
2.5 Gram(s)
ResistAid
300 mg
Pectin
150 mg
GreenSelect
50 mg
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Mix 1 scoop with at least 8-10 ounces of water, juice, or preferred beverage daily or as recommended by your health-care practitioner.

Warnings & Precautions

Tamper evident: Use only if bottle is sealed.

If pregnant, consult your health-care practitioner before using this product.

Formulation Notes

GI Support Liver/Detox

Gluten free

Prebiotic

This product uses Sunfiber AG. This product uses Larch Arabinogalactan (ResistAid). This product uses Indena S.p.A.’s green tea phytosome (Greenselect).

Additional Information

Store tightly sealed in a cool, dry place.

NSF Contents Certified

Metadata

Product Details

UPC / SKU6 93749 00282 6
DSLD Entry Date2025-07-24
Product TypeBotanical with Nutrients
FormPowder
BrandThorne
DSLD ID336306
Data Updated2026-04-11
Research

Research Evidence

120
Research Sources
51
Avg Quality
47
Clinical Trial
38
Rct
20
Meta Analysis
13
Systematic Review
2
Cochrane Review
A The Gut Microbiome in Depression and Potential Benefit of Prebiotics, Probiotics and Synbiotics: A Systematic Review of Clinical Trials and Observational Studies
Systematic Review International journal of molecular sciences 2022 PubMed DOI
A Prebiotics for induction and maintenance of remission in ulcerative colitis
Systematic Review The Cochrane database of systematic reviews 2024 PubMed DOI
A Effect of chicory-derived inulin-type fructans on abundance of Bifidobacterium and on bowel function: a systematic review with meta-analyses
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Probiotics for management of functional abdominal pain disorders in children
Meta Analysis The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary fiber intervention on gut microbiota composition in healthy adults: a systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2018 PubMed DOI
B Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis The American journal of clinical nutrition 2018 PubMed DOI
B Prebiotic and probiotic supplementation and the tryptophan-kynurenine pathway: A systematic review and meta analysis
Meta Analysis Neuroscience and biobehavioral reviews 2021 PubMed DOI
B Prebiotics, probiotics, fermented foods and cognitive outcomes: A meta-analysis of randomized controlled trials
Meta Analysis Neuroscience and biobehavioral reviews 2020 PubMed DOI
B Synbiotics, prebiotics and probiotics for people with chronic kidney disease
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
B Effects of Prebiotics and Probiotics on Symptoms of Depression and Anxiety in Clinically Diagnosed Samples: Systematic Review and Meta-analysis of Randomized Controlled Trials
Meta Analysis Nutrition reviews 2025 PubMed DOI
View all evidence for Prebiotics →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.