LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00016500080145ONE A DAY · checked Jul 21, 2026🇺🇸 USPTO wordmark owner · Bayer HealthCare LLC · DELAWARE, USA
Quick read · ONE A DAY

One A Day Multivitamin for Men

Checked against public sources between July 21 and July 29, 2026 · LookCloser does not sell or recommend supplements.

200tablets
4.7 / 5rating at observation
57,842visible ratings

Does the marketing hold up?

The barcode identity checks out · 016500080145. The barcode matches, so we are checking the right product rather than a look-alike.

Is the dose real?Panel read — dose not verified22 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?🇺🇸Bayer HealthCare LLClimited liability company · DELAWARE, USA
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 confirmedno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size One tablet

Vitamin A900 mcg
Vitamin C99 mg
Vitamin D25 mcg (1000 IU)
Vitamin E15 mg
Thiamin (B1)1.32 mg
Riboflavin (B2)1.43 mg
Niacin17.6 mg
Vitamin B62.17 mg
Folate400 mcg DFE
Vitamin B126.24 mcg
Biotin43 mcg
Pantothenic Acid15.5 mg
Calcium210 mg
Iron0 mg
Iodine150 mcg
Magnesium120 mg
Zinc11 mg
Selenium55 mcg
Copper0.9 mg
Manganese2.3 mg
Chromium35 mcg
Lycopene300 mcg

Printed on the package: BAYER · NO Sesame Allergen · NO Artificial Flavors · NO Artificial Colors · NO Artificial Sweeteners

We read 22 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

“One A Day Multivitamin for Men - Daily Mens Multivitamins with Vitamin D, Zinc, Folic Acid, and B Vitamins, Physical Energy Support, 200”

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.

Quick read · 2 useful findings

What is worth knowing.

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

CheckedWho is behind it?

The barcode identity checks out · 016500080145.

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

Evidence and sources

Open Food Facts resolves 016500080145 to "Men's Multi" (One a Day) — consistent with this listing.

Locked evidence record →Open the full source-linked finding
CheckedCan you trust the review pattern?

We can see 198 of this product’s 3,424 reviews — the count rose between March 2 and August 26, 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 3,226 to 3,424 between March 2 and August 26, 2026. The largest rise inside any single 30-day window was about 36, so the count moved in steps rather than in one burst.

Locked evidence record →Open the full source-linked finding
What remains open 2
  • No FDA recall matched this brand in the current search.
  • 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?
🇺🇸
Bayer HealthCare LLCLimited Liability Company · exact supplement-class mark for ONE A DAY
Registration5198339
Registered2017-05-09
AssignmentsNo transfers recorded

Filed address
100 Bayer Boulevard, Whippany, NEW JERSEY 07981, 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.

Where it sells

Price check for this exact product

Amazon

Exact UPC/GTIN match
$17.47

4.7/5 · 57,842 ratings

matching UPC/GTIN · checked Sep 1, 2026

View on Amazon ↗

Target

Exact UPC/GTIN match
$17.49

matching UPC/GTIN · checked Jul 29, 2026

View on Target ↗

iHerb

Exact UPC/GTIN match
$20.45

4.8/5 · 4,963 ratings

matching UPC/GTIN · checked Jul 29, 2026

View on iHerb ↗

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 ↗

Same UPC/GTIN observed across 3 sellers. Amazon was lowest at $17.47; iHerb was highest at $20.45 — a $2.98 range at check time.

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.

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.