Exact product checked · barcode not published21st century healthcare · observed 2026-07-22

Quick read · 21st century healthcare

21st Century MELATONIN 10 MG SUBLINGUAL TABLET…

Name: 21st Century MELATONIN 10 MG SUBLINGUAL TABLET (Bottle
Brand: 21st century healthcare

The retained record does not contain a marketing claim that can be scored yet; product facts and open checks follow.

Rebuilt from public sources on July 23, 2026 · evidence availability is not a safety or effectiveness verdict.

Quick read · 1 useful finding

What is worth knowing.

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

Needs explanationAny trouble on the record?

FDA recall appears in this brand's history

An exact-product recall is a direct signal. A different product from the same firm is company context, not a strike against this item.

Registry receipt: FDA enforcement search · 21st century healthcare ↗

Evidence and sources

Locked evidence record →Open the full source-linked finding

What remains open 1

No dated review-history series is on file yet.

These are evidence gaps, not strikes against the product.

Research behind the findings

Dose and research context

Ingredient context only because no identity-bound Supplement Facts panel is captured. These sources do not test this product or establish safety or effectiveness.

NIH NCCIH — Melatonin ↗PubMed search: melatonin dose sleep onset ↗

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 →

Open the full evidence trailSources, edge cases, and every unresolved check

Confirmed evidence

What checked out00

These checks found support in the public record. They confirm specific facts, not the product as a whole.

Nothing could be independently confirmed from the available record.

Documented concerns

What needs caution00

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 missing04

We looked for these signals but could not settle them from public sources. A gap is not a strike.

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The listing doesn't publish enough to check the math

The retained listing evidence does not establish net weight, unit count, per-serving dose, servings per container, so the dose claim cannot yet be checked against serving arithmetic. This is a neutral evidence gap, not a pass or strike.

No data

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Review-count history: not available

Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.

No data

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Certified by NSF — contents and contaminants checked

21st Century HealthCare, Inc. appears in NSF’s certified-products registry with 0 certified product(s), but we couldn’t confirm this exact listing is among them. Certification covers contents and contaminants — not effectiveness.

No data

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FDA recall appears in this brand's history

Brand-level context only, not a finding about this product. Twenty-First Century Healthcare, Inc recalled a different or not-exactly-bound product on 2021-05-07: “A small quantity of bottles of Vitamin D3 125 mcg ((5000 IU) 100 ct. were mislabeled as Vitamin D3 25 mcg (1000 IU). Secondary labeling on the bottles (back label) is correctly labeled as Vitamin D3 125 mcg (5000 IU).” (status: Terminated). The recalled product was: “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st Century HealthCare, Inc., 2119 Wilson St., Tempe, AZ 85282” — not necessarily the product on this page. Verify at FDA’s recall database.

No data

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

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.

What is the product’s UPC or GTIN?

The barcode is how a product gets matched to outside records — certification registries, label databases, recall data. Without it, almost nothing can be cross-checked.

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

Look the product up yourself in NSF’s certified-products registry.

Search “21st Century HealthCare, Inc.” at info.nsf.org — certification covers contents and contaminants, not effectiveness.

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.

Record built July 23, 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.