LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00074312020605Nature's Bounty · checked Jul 24, 2026USPTO returned 3 exact supplement-class owner records · inspect the identity trail
Quick read · Nature's Bounty

Nature's Bounty, Zinc 50mg, Immune System Skin and Antioxidant…

Checked against public sources on July 24, 2026 · LookCloser does not sell or recommend supplements.

100tablets

Does the marketing hold up?

Registered owner records: NATURE'S BOUNTY, INC. · NATURE'S BOUNTY (NY), INC. · Société des Produits Nestlé S.A. (société anonyme (sa); SWITZERLAND). The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.

Is the dose real?Listing and panel agreeboth say 50 mg of Zinc
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?USPTO lists 3 owner recordssame brand name, more than one registrant — we don’t choose between them
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.

1◖ partly confirmed1△ support not foundno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size 1 Tablet

Zinc (as Zinc Gluconate)50 mg

Printed on the package: Non-GMO · Sodium Free · Suitable for Vegetarians

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

1 promise needs a closer look.

Partly confirmed1

“Nature's Bounty, Zinc 50mg, Immune System Skin and Antioxidant Health Support, 100”

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.

Claimed without support found1

“HEALTH: As a component of the enzyme collagenese, Zinc has been clinically studied for its contribution to skin health (1) FROM THE TRUSTED…”

We found no named, citable study of this product or formula. The claim may rest on ingredient research rather than a trial of this product.

Evidence →
Quick read · 3 useful findings

What is worth knowing.

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

Public contextWho is behind it?

Registered owner records: NATURE'S BOUNTY, INC. · NATURE'S BOUNTY (NY), INC. · Société des Produits Nestlé S.A. (société anonyme (sa); SWITZERLAND)

The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.

Evidence and sources

USPTO returned multiple live supplement-class records for the exact brand wordmark: NATURE'S BOUNTY, INC., NATURE'S BOUNTY (NY), INC., Société des Produits Nestlé S.A. (société anonyme (sa); SWITZERLAND). …

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

We can see 57 of this product’s 4,582 reviews — the count rose between March 9 and August 15, 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 4,525 to 4,582 between March 9 and August 15, 2026. The largest rise inside any single 30-day window was about 23, so the count moved in steps rather than in one burst.

Locked evidence record →Open the full source-linked finding
What remains open 1
  • 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?

The brand has 3 exact supplement-class records

These are the USPTO records behind the brand name. We show them all rather than choosing one by similarity.

🇺🇸NATURE'S BOUNTY, INC.

NEW YORK, USA; SWITZERLAND · Registration 0963384

55 NORTH MALL, PLAINVIEW, NEW YORK 11803, UNITED STATES

Goods covered by this record

US 018: FOOD SUPPLEMENT CONTAINING VITAMINS AND MINERALS.; US 046: CONCENTRATED PROTEIN FOOD.

🇺🇸NATURE'S BOUNTY (NY), INC.

NEW YORK, USA; SWITZERLAND · Registration 5165421

2100 SMITHTOWN AVENUE, LEGAL DEPT., RONKONKOMA, NEW YORK 11779, UNITED STATES

Goods covered by this record

IC 005: Dietary and nutritional supplements; Food supplements; Herbal supplements; Probiotic supplements; Vitamin and mineral supplements.

🇨🇭Société des Produits Nestlé S.A. (société anonyme (sa); SWITZERLAND)

SWITZERLAND · Registration 7583162

SWITZERLAND); CH-1800 Vevey, SWITZERLAND

Goods covered by this record

IC 005: Vitamins; dietary supplements; mineral supplements; nutritional supplements; vitamin preparations; concentrated protein dietary supplements; plant-based dietary supplements; dietetic supplements adapted for medical use; food supplements; probiotic supplements.

This answers who owns registrations for the brand wordmark. It does not by itself prove which entity made, imported, or sold this specific product. Open USPTO source ↗

Research behind the findings

Dose and research context

The label amount is shown beside the range used in the linked ingredient studies.

Dose vs research

Zinc

50 mg per serving — above the 8–40 mg/day used in the linked studies.

Linked ingredient research · label amount, not a recommendation
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 50 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits above that range.

0studied 8 mg–40 mg

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

Where it sells

Price check for this exact product

Amazon

Exact UPC/GTIN match
$6.41

matching UPC/GTIN · checked Aug 29, 2026

View on Amazon ↗

iHerb

Exact UPC/GTIN match
$6.41

4.8/5 · 4,960 ratings

matching UPC/GTIN · checked Jul 24, 2026

View on 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 ↗

Same UPC/GTIN observed across 2 sellers at the same price at check time.

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 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.