LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00198715770346H2TAB · checked Jul 25, 2026 · on sale since Feb 27, 2025🇺🇸 USPTO wordmark owner · H2Tab LLC · Florida, USA
Quick read · H2TAB

H2Tab Molecular Hydrogen Water Drinking Tablets

Checked against public sources on July 25, 2026 · LookCloser does not sell or recommend supplements.

30tablets
30servings per container

Does the marketing hold up?

Testing claimed — documentation not found. The observed listing claims third-party testing without naming a lab or certifier. No product-bound report is saved, so the claim cannot be verified as stated. …

Is the dose real?Panel read — dose not verified1 ingredient listed; no advertised amount we could confirm against them
What a serving costs$0.98per serving, at the checked price
Is it tested?Claimed — no lab or certificate found
Who’s behind it?🇺🇸H2Tab LLClimited liability company · Florida, USA
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.

2◖ partly confirmed1△ support not found2? couldn’t verifyno contradictions · no recalls
The label itself

What the Supplement Facts panel says

Serving size 1 Tablet · 30 servings per container

Magnesium80 mg

Printed on the package: Gluten Free · MADE IN THE USA · ISHA CERTIFIED · GMP CERTIFED · THIRD-PARTY LAB TESTED

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 confirmed2

“tablet delivers up to 12 ppm of molecular hydrogen, providing a potent dose designed to support whole-body wellness and healthy cellular”

Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

Evidence →
“tested, GMP certified, and made in the”

“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.

Claimed without support found1

“CLINICALLY STUDIED BENEFITS: Molecular hydrogen has been extensively studied for its potential to support cellular health and address oxidative”

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 →

?Couldn’t verify independently2

“tested, GMP certified, and made in the”

“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.

Evidence →
“tested, GMP certified, and made in the”

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 · 3 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 · 198715770346.

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

Evidence and sources

Open Food Facts resolves 198715770346 to "Molecular Hydrogen Raspberry" (H2TAB) — consistent with this listing.

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

Reviews rose from 34 to 780 between July 29, 2025 and August 25, 2026 — no sudden jump.

A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.

Evidence and sources

Written reviews rose from 34 to 780 between July 29, 2025 and August 25, 2026. The largest rise inside any single 30-day window was about 89, 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?
🇺🇸
H2Tab LLCLimited Liability Company · exact supplement-class mark for H2TAB
Registration7869560
Registered2025-07-15
AssignmentsNo transfers recorded

Filed address
3571 Fair Isle Street, Miami, Florida 33133, 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.

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 80 mg of magnesium per serving. Studies we found used 200 mg–420 mg a day, so this sits below that range.

0studied 200 mg–420 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
$29.49

$0.98 per labeled serving

matching UPC/GTIN · checked Aug 29, 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 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.