Barcode confirmed in an outside database
UPCitemdb resolves 033674404805 to "Nature s Way Niacinamide 500mg 100 Ct" (Nature s Way) — consistent with this listing.
Full record · 033674404805 · back to the summary
Nature's Way Niacinamide - Niacinamide Capsules with Non-Flushing Vitamin B3
Exact product checkedGTIN 00033674404805 · checked 2026-09-01
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How to read this report
What this is. We compare what a listing claims against what public records show — label arithmetic, barcode registries, NIH’s label catalog, FDA enforcement data, certification registries, and published research. Every statement below traces to one of those.
What the states mean. Confirmed = an outside source agrees. Contradicted = an outside source disagrees. Caution = something needs explaining. No data = we looked and found nothing — a gap, not a strike.
What it is not. A clean record is not an endorsement and never proof a product works. A thin record is not an accusation. We publish evidence and gaps; the conclusion is yours. Nothing here is medical advice.
Something wrong? Every figure is meant to be checkable — sources are named and linked. Send a correction and we’ll fix the record.
Every check we ran
Confirmed evidence
What checked out2
These checks found support in the public record. They confirm specific facts, not the product as a whole.
Confirmed
The review count moved gradually, not in one burst
Written reviews rose from 387 to 392 between October 12, 2025 and August 27, 2026. The largest rise inside any single 30-day window was about 3, so the count moved in steps rather than in one burst.
Documented concerns
What needs caution0
These are documented contradictions or claims that need more evidence. They are separate from missing data.
No contradictions or product-specific cautions were found at this check depth.
Unresolved public record
What is still missing6
We looked for these signals but could not settle them from public sources. A gap is not a strike.
The listing doesn't publish enough to check the math
The saved listing evidence does not establish net weight, per-serving dose, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.
Multiple USPTO brand-owner records are shown
USPTO returned multiple live supplement-class records for the exact brand wordmark: NATURE'S WAY PRODUCTS, LLC, Nature's Way Products, LLC, Nature's Way Products, Inc., NATURE'S WAY PRODUCTS, INC.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.
FDA recall appears in this brand's history
This recall is not about the product on this page. Nature's Way Purewater Systems, Inc. recalled a different product on October 31, 2014. FDA has since closed that case. The recalled item was “ESSENTIA Hydration Perfected Purified Water and Electrolytes, 9.5 pH, Manufactured for Essentia Water Inc., 22833 Bothell Evrt Hwy, Bothell WA 98021 Packaging: For 33.8 fl oz”. FDA recorded the reason as “Product may contain mold”. Verify at FDA’s recall database.
Public label filing not saved
We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.
This item belongs to a catalog variation family
The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.
180-day review-count history is on file
Exact-listing history records written-review counts from 381 on 2025-08-29 to 392 on 2026-08-27 (net +11). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.
What to ask and check
What would settle the open questions
Why is this shown?
Everything we couldn’t verify is something a person can still ask about. Rather than leave gaps sitting as dead ends, we turn each one into a specific question — the exact document, citation, or number that would settle it — plus the things you can confirm yourself with the bottle in your hand.
Ask the brand or seller
1
Can you send a clear photo of the full Supplement Facts panel?
It’s the one part of the label required to state what’s inside and how much. A seller who won’t show it before purchase is asking for trust the label would have earned.
2
Is this label filed with NIH’s Dietary Supplement Label Database (DSLD)?
Filing is voluntary, so absence proves nothing — but a filed label puts the full ingredient table on public record where anyone can read it.
Most brands and sellers publish a contact route. A clear answer adds evidence to the record; no answer leaves the question open.
Check for yourself — no one’s permission needed
1
Scan the barcode on the package and confirm it reads 033674404805.
A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.
2
Check the lot number and expiry on the bottle against any COA you’re given.
A certificate that doesn’t name your lot doesn’t describe what you’re holding.
These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.
What the listing promises — claim by claim
Why is this shown?
A listing’s promises are the reason people buy. Each one gets its own row: what was promised, what evidence would settle it, and what we could actually find. We never call a claim false — only whether proof proportionate to it exists on the public record.
| Claim | Status | What we found |
|---|---|---|
| Benefit claim “Nature's Way Niacinamide - Niacinamide Capsules with Non-Flushing Vitamin B3 - Supports Cellular Energy* - 500mg per Serving - Gluten-Free & Vegan - 100 Count (100 Servin” | Not checked yet We looked for: whether the ingredient doses on the label match the doses used in published research | Ingredient-level evidence for this formula isn’t in our knowledge base yet. Recorded as not checked yet — not as a negative. |
“No evidence located” does not mean a claim is false — it means the seller has not put evidence proportionate to the claim on the public record, and we could not find any. Absence of proof is not proof of absence.
Verifiability profile — 2 of 6 public signals
✓ UPC / GTIN published✓ Brand's own store found· Per-serving dose established — not published· Supplement Facts visible in photos — not published· Found in NIH's label catalog (DSLD) — not published· Third-party lab named or registry-certified — not published
What this listing gives the public to check. Publishing these signals doesn't prove quality — but withholding them means claims can only be taken on faith.
Identity
| UPC (barcode) — also our record ID | 033674404805 — via source listing UPC |
| Brand | Nature's Way |
| Source listing identifier | B000I4AIUK |
| Retailer listing title | Nature's Way Niacinamide - Niacinamide Capsules with Non-Flushing Vita… show full titleNature's Way Niacinamide - Niacinamide Capsules with Non-Flushing Vitamin B3 - Supports Cellular Energy* - 500mg per Serving - Gluten-Free & Vegan - 100 Count (100 Servings) |
| USPTO brand-owner record | NATURE'S WAY PRODUCTS, LLC · WISCONSIN, USA · registration 7269521 · 825 CHALLENGER DR, GREEN BAY, WISCONSIN 54311, UNITED STATES |
| USPTO brand-owner record | Nature's Way Products, LLC · WISCONSIN, USA · registration 4964881 · 825 Challenger Drive, Green Bay, WISCONSIN 54311, UNITED STATES |
| USPTO brand-owner record | Nature's Way Products, Inc. · UTAH, USA; WISCONSIN, USA · registration 2741805 · 825 Challenger Drive, Green Bay, WISCONSIN 54311, UNITED STATES |
| USPTO brand-owner record | Nature's Way Products, Inc. · ARIZONA, USA; WISCONSIN, USA · registration 1356165 · 1775 S. 350 East, Provo, UTAH 84601, UNITED STATES |
| USPTO brand-owner record | NATURE'S WAY PRODUCTS, INC. · ARIZONA, USA; WISCONSIN, USA · registration 1400087 · 10 MOUNTAIN SPRINGS PARKWAY, SPRINGVILLE, UTAH 84663, UNITED STATES |
Where it sells
| Seller | Price |
|---|---|
| Retailer listing ↗ | $9.68 checked Sep 03, 2026 — varies by variant/session; price history pending |
Brand store naturesway.com: 247 supplement products (+3 merch items) — for comparison, single-focus brands typically carry 5–30 products; very broad catalogs are common among companies that rebrand ready-made formulas — a pattern note, not a verdict.
Reference links for identification only — LookCloser has no affiliate relationships and earns nothing from any link on this page.
Ingredient science
No knowledge-base entry yet for this formula's active ingredients — entries are added as the KB grows. Absence of a science card is a coverage gap, not a judgment.
Record 033674404805 · built September 03, 2026 · lookcloser.ai · corrections@lookcloser.ai