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Exact product checked · barcode not published21st century healthcare · checked Jul 22, 2026 · on sale since Nov 17, 2020
Quick read · 21st century healthcare

21st Century MELATONIN 10 MG SUBLINGUAL TABLET…

Checked against public sources on July 22, 2026 · LookCloser does not sell or recommend supplements.

Does the marketing hold up?

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.

Is the dose real?Can’t check — no panel filed
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?No exact match in USPTO
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer records
Trouble on record?Brand history — not this product
Quick read · 1 useful finding

What is worth knowing.

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

Needs explanationAny trouble in public records?

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

This recall is not about the product on this page. Twenty-First Century Healthcare, Inc recalled a different product on May 7, 2021. FDA has since closed that case. The recalled item was “21st Century Vitamin D3 125 mcg (5000 IU) tablet, 100 count, UPC 7-40985-27431-6, 21st…”

Locked evidence record →Open the full source-linked finding
What remains open 2
  • No dated review-history series is on file yet.
  • Brand ownership is not settled in this record.

These are evidence gaps, not strikes against the product.

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.

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

Where you can check or buy it

Open related seller leads before buying, then confirm the flavor, count, and serving size. Their prices are visible, but LookCloser does not claim savings until the pages share a UPC/GTIN.

Amazon

Submitted listing
No price confirmed

No current offer was available via Keepa on 2026-08-29.

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Brand website

Official storefront
No price confirmed

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No defensible same-product page was saved from the brand catalog.

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iHerb

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

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Target

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

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Walmart

Not confirmed
No price confirmed

No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.

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Prices and stock are point-in-time observations. Related pages are never used as product evidence. No affiliate links; LookCloser earns nothing from these sellers.

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.