LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00849720007032BulkSupplements · checked Aug 14, 2026 · on sale since Nov 24, 2013
Quick read · BulkSupplements

BulkSupplements.com Niacinamide Powder

Checked against public sources on August 14, 2026 · LookCloser does not sell or recommend supplements.

Does the marketing hold up?

Every ingredient shows its amount · 1 ingredients listed. Every ingredient shows its real amount — nothing is hidden in a proprietary blend.

Is the dose real?Panel read — dose not verified1 ingredient listed; no advertised amount we could confirm against them
What a serving costs$0.04per serving, at the checked price
Is it tested?Claimed — no lab or certificate found
Who’s behind it?No exact match in USPTO
Is it the real thing?Barcode matches outside records
Trouble on record?No recalls found

“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.

1◖ partly confirmed1? couldn’t verifyno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size 1/4 tsp (about 500 milligrams) · 500 servings per container · 250g WEIGHT

Vitamin B3 (as Niacinamide)500 mg NE

Printed on the package: GLUTEN FREE · NO ADDED SUGAR · SOY FREE · DAIRY FREE · ADDITIVE FREE · THIRD PARTY TESTED · cGMP · GMP

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 confirmed1

“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 →

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

?Couldn’t verify independently1

“PARTY”

No named laboratory or lot-specific certificate was found for this exact product. No exact brand product page was available for a document check. 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 →

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

Quick read · 2 useful findings

What is worth knowing.

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

CheckedIs the label honest?

Every ingredient shows its amount · 1 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
CheckedWho is behind it?

The barcode identity checks out · 849720007032.

The barcode matches, so we are checking the right product rather than a look-alike.

Evidence and sources

UPCitemdb resolves 849720007032 to "BulkSupplements Niacinamide Powder - Vitamin B3 B Vitamin Supplement 500mg per" (BulkSupplements.com) — consistent with this listing.

Locked evidence record →Open the full source-linked finding
What remains open 3
  • No FDA recall matched this brand in the current search.
  • We have not found a public label filing for this exact product.
  • Brand ownership is not settled in this record.

These are evidence gaps, not strikes against the product.

Where it sells

Price check for this exact product

Amazon

Exact UPC/GTIN match
$18.97

$0.04 per labeled serving

matching UPC/GTIN · checked Aug 14, 2026

View on Amazon ↗

iHerb

Not confirmed
No 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 iHerb ↗

Target

Not confirmed
No 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 confirmed
No 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 ↗

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 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 August 14, 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.