LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedNatural Flow Supplements · checked Jul 22, 2026 · on sale since Dec 7, 2022🇺🇸 USPTO wordmark owner · Natural Flow Supplements LLC · PENNSYLVANIA, USAPackage says distributed by: Natural Flow Supplements · 1820 Quentin Road #1007 Lebanon, PA 17042
Quick read · Natural Flow Supplements

Prebiotic Fiber Supplement 5-in-1 Capsules

Checked against public sources on July 22, 2026 · LookCloser does not sell or recommend supplements.

120capsules · 60 servings

Does the marketing hold up?

Listing brand: Natural Flow Supplements · package: Daily Dosage. Ownership and outside records for the listing brand may not describe the branding printed on the package. Confirm the package identity before treating them as the same brand.

Is the dose real?Panel read — dose not verified5 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo price found for this exact barcode
Is it tested?Claimed — no lab or certificate found
Who’s behind it?🇺🇸Natural Flow Supplements LLClimited liability company · PENNSYLVANIA, USA
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer records
Trouble on record?Recall check not run yeta gap in our records, not a finding about the 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.

2◖ partly confirmed2? couldn’t verifyno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size 2 Capsules · 60 servings per container

Fructooligosaccharides (FOS; from Sugar cane)340 mg
Agave Inulin340 mg
Acacia Fiber (Sap)340 mg
Galactooligosaccharides (GOS)170 mg
Xylooligosaccharides (XOS)170 mg

Printed on the package: MADE IN THE USA · GLUTEN FREE · LAB TESTED · GMP · FDA REGISTERED FACILITY · MADE IN USA · GLUTEN & SOY FREE · GMO FREE

We read 5 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.

Marketing claims, checked

The checks, one by one

The public sources did not settle the marketing promises on this label.

Partly confirmed2

“GMP”

“GMP-certified” describes factory processes, not what is in the bottle. The claim does not name a certifier or public register that a shopper can check.

Evidence →
“Prebiotic Fiber Supplement 5-in-1 Capsules - Natural Flow 5X Fiber XOS, GOS, FOS, Acacia and Agave Inulin, Daily Soluble Fiber Formula for Gut…”

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

Evidence →

Ingredient research can support context, but it is not a trial of this exact product.

?Couldn’t verify independently2

“in the USA, Lab tested LOVE IT OR WE MAKE IT RIGHT — We're a small American brand that stands behind every”

No named laboratory or lot-specific certificate was found for this exact product. A related brand page names no testing issuer and links no product-bound report; its UPC is not published. NSF, IFOS, USP, and Informed-Sport were not checked in this record. This is a public-evidence limit, not a finding that testing did not occur.

Evidence →
“in the USA, Lab tested LOVE IT OR WE MAKE IT RIGHT — We're a small American brand that stands behind every”

“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.

Evidence →

We looked and found no public proof. That does not count against the product.

Marketing language, not scored

Five Premium Fiber Forms*

Quick read · 2 useful findings

What is worth knowing.

Headlines first. Open evidence only when you want the source trail.

Needs explanationWho is behind it?

Listing brand: Natural Flow Supplements · package: Daily Dosage

Ownership and outside records for the listing brand may not describe the branding printed on the package. Confirm the package identity before treating them as the same brand.

Evidence and sources

The exact product listing names “Natural Flow Supplements,” while the saved package/panel image reads “Daily Dosage.” This can reflect a product line, catalog error, changed listing, or different packaging; it does not prove substitution. …

Locked evidence record →Open the full source-linked finding
CheckedIs the label honest?

Every ingredient shows its amount · 5 ingredients listed.

Every ingredient shows its real amount — nothing is hidden in a proprietary blend.

Evidence and sources

The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.

Locked evidence record →Open the full source-linked finding
What remains open 1
  • No dated review-history series is on file yet.

These are evidence gaps, not strikes against the product.

Who owns the brand wordmark?
🇺🇸
Natural Flow Supplements LLCLimited Liability Company · exact supplement-class mark for NATURAL FLOW SUPPLEMENTS
Registration6631948
Registered2022-02-01
AssignmentsNo transfers recorded

Filed address
18 WILLOWCREEK AVE, JONESTOWN, PENNSYLVANIA 17038, 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 ↗

Research behind the findings

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.

Background reading

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 340 mg of prebiotic fiber (inulin-type) per serving. Studies we found used 3 g–10 g a day, so this sits below that range.

0studied 3 g–10 g

Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.

Buying options

Where you can check or buy it

Open related seller leads before buying, then confirm the flavor, count, and serving size. Their prices are visible, but LookCloser does not claim savings until the pages share a UPC/GTIN.

Amazon

Submitted listing
$26.95

Lowest New observed via Keepa on 2026-08-29.

View on Amazon ↗

Brand website

Official product-page candidate · UPC absent
$26.95

Useful official shopping lead; excluded from exact price comparisons.

Prebiotic 5X Fiber -XOS GOS FOS Acacia and Agave inulin- 120 Capsules · Default Title. The page matches the same named product, but omits the identifier needed to bind the exact sellable unit.

Check brand website ↗

iHerb

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search iHerb ↗

Target

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Target ↗

Walmart

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

Search Walmart ↗

Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.

Want to inspect the evidence?

The full report shows every source, the exact unresolved question, and the documentation that would settle it.

Read / share full evidence →

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.