“of Premium Vitamin B2 (Riboflavin) Per Capsule 120 Capsules of Vitamin B2 Per Bottle 120 Servings Per Bottle, 1 Capsule is 1 Serving Non-GMO,…”
Evidence →A testing body is named on the listing, but we found no lot-specific certificate of analysis.
Exact product checked · GTIN 00810014675442Nutricost · checked Jul 25, 2026 · on sale since Jul 14, 2016🇺🇸 USPTO wordmark owner · eSupplements, LLC · UTAH, USAPackage says manufactured for: nutricosť · 351 E 1750 N, Vineyard, UT 84059
Quick read · Nutricost
Nutricost Vitamin B2 (Riboflavin) 400mg
Checked against public sources between July 25 and September 2, 2026 · LookCloser does not sell or recommend supplements.
120capsules
120servings per container
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says manufactured for: nutricosť, 351 E 1750 N, Vineyard, UT 84059. USPTO names eSupplements, LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing…
Is the dose real?Panel read — dose not verified1 ingredient listed; no advertised amount we could confirm against them
What a serving costs$0.12per serving, at the checked price
Is it tested?Claimed — not yet checked
Who’s behind it?🇺🇸eSupplements, LLClimited liability company · UTAH, USA
Is it the real thing?✓Barcode matches outside 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 confirmedno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Riboflavin (Vitamin B2) | 400mg |
|---|
Printed on the package: QUALITY GUARANTEED · GMO · GMP · THIRD PARTY TESTED · GMP COMPLIANT FACILITY · NON-GMO PRODUCT · QUALITY nutricost GUARANTEE · NON-GMO
We read 1 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
“of Premium Vitamin B2 (Riboflavin) Per Capsule 120 Capsules of Vitamin B2 Per Bottle 120 Servings Per Bottle, 1 Capsule is 1 Serving Non-GMO,…”
Evidence →“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.
Ingredient research can support context, but it is not a trial of this exact product.
Quick read · 1 useful finding
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
CheckedWho is behind it?
The barcode identity checks out · 810014675442.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
Open Food Facts resolves 810014675442 to "Vitamin B2 (Riboflavin) 400mg" (nutricost) — consistent with this listing.
Locked evidence record →Open the full source-linked findingWhat remains open 2
- Panel amounts still need a clearer source image.
- We have not found a public label filing for this exact product.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
eSupplements, LLCLimited Liability Company · exact supplement-class mark for NUTRICOST
Filed address
UTAH, USA) DBA Nutricost; 351 E 1750 N, VINEYARD, UTAH 84059, 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 ↗
Where it sells
Price check for this exact product
Amazon
Exact UPC/GTIN match$14.95
$0.12 per labeled serving
matching UPC/GTIN · checked Aug 29, 2026
View on Amazon ↗iHerb
Exact UPC/GTIN match$14.95
$0.12 per labeled serving
matching UPC/GTIN · checked Jul 25, 2026
View on iHerb ↗Brand website
Official product-page candidate · UPC absent$11.97
Official shopping lead; excluded from exact price comparisons.
Nutricost Vitamin B2 Riboflavin Capsules · Default Title. Confirm the package UPC/GTIN before buying.
Check brand website ↗Target
Not confirmedNo exact listing saved
We 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 confirmedNo exact listing saved
We only show a price when the seller publishes the same barcode as the bottle. We haven’t found that match here.
Search Walmart ↗Same UPC/GTIN observed across 2 sellers at the same price at check time.
The brand-page price is shown as a shopping lead only. It is excluded from the exact-product price difference because the page does not publish this record's matching UPC/GTIN.
The observed listing and related brand page repeat 400 mg. That confirms cross-page consistency of the published claim, not the product contents.
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.