Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

Prebiotic Fiber Powder - Unflavored & Sugar Free
Checked against public sources between July 23 and July 24, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
Research links are available for prebiotic fiber. Use the linked research to check whether the ingredient and outcome you care about are actually connected. Ingredient evidence does not verify this product.
“Couldn’t verify” means we looked and found no public proof — not a mark against the product. Most supplement claims cannot be independently verified by anyone, so grey is the normal state of this industry.
What the Supplement Facts panel says
| Calories | 10 |
|---|---|
| Total Carbohydrate | 5 g |
| Dietary Fiber | 5 g |
| Total Sugars | 0 g |
| Includes Og Added Sugars | 0% * |
| Fructooligosaccharides (NutraFlora®) | 5 g |
Printed on the package: NON GMO · GLUTEN FREE · VEGAN · 3RD PARTY QUALITY TESTED · NON GMO INGREDIENTS
We read 6 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.
The checks, one by one
1 promise needs a closer look.
◐Partly confirmed1
Ingredient research can support context, but it is not a trial of this exact product.
△Claimed without support found1
We found no named, citable study of this product or formula. The claim may rest on ingredient research rather than a trial of this product.
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
We can see 10 of this product’s 158 reviews — the count rose between September 18, 2025 and August 19, 2026. That is too small a slice to say anything about the wider pattern.
A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Evidence and sources
Written reviews rose from 148 to 158 between September 18, 2025 and August 19, 2026. The largest rise inside any single 30-day window was about 4, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingWhat remains open 2
- We have not found a public label filing for this exact product.
- Barcode checksum is valid; no independent product record was found.
These are evidence gaps, not strikes against the product.
Filed address
15143 S. Peace Dr., Bluffdale, UTAH 84065, UNITED STATES
USPTO identifies the public owner or applicant behind this brand wordmark. This does not by itself identify the product manufacturer or prove where the product was made. Open USPTO source ↗
Dose and research context
We could not match an amount on this product to a studied range for the same ingredient, so these links are ingredient background rather than a measurement of this product.
What the research says about these amounts
Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.
The panel lists 5 g of prebiotic fiber (inulin-type) per serving. Studies we found used 3 g–10 g a day, so this sits inside that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
Price check for this exact product
Amazon
Exact UPC/GTIN match$0.53 per labeled serving
matching UPC/GTIN · checked Aug 29, 2026
View on Amazon ↗iHerb
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search iHerb ↗Target
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Target ↗Walmart
Not confirmedWe only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Only one exact price was available at build time; prices change by date, seller, and promotion.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
Want the complete evidence trail?
The summary stops at product-specific facts. The full report preserves every source, calculation, limitation, and unresolved check for review or sharing.
Record built September 03, 2026. Sources: source listing observed at check time · USPTO Trademark Search · Keepa exact-listing history · NIH / published research · certification and regulator records where available. LookCloser publishes evidence and gaps; it does not advise for or against any supplement. Evidence-based corrections welcome.