Checked against public sources on July 26, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
The front says 300 mg under zinc; the panel assigns 10 mg to it. The number that sold you is larger than the amount assigned to the named ingredient. Read the panel amount, not the front-label total.
“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.
| Magnesium | 300 mg |
|---|---|
| Zinc | 10 mg |
Printed on the package: NON GMO · Labdoor · TESTED FOR ACCURACY & PURITY · 2025 · NON GMO Project VERIFIED · NSF AUDITED FACILITY · CGMP CERTIFIED PROCESS
We read 2 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.
1 promise needs a closer look.
The listing uses 0.3 g for zinc. The panel lists zinc at 0.01 g; the other 290 mg is the rest of the listed blend. Panel addition: Magnesium 300 mg = 300 mg. This documents the framing; it does not establish what is inside the product.
Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.
A testing body is named on the listing, but we found no lot-specific certificate of analysis.
Ingredient research can support context, but it is not a trial of this exact product.
“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
We looked and found no public proof. That does not count against the product.
Headlines first. Open evidence only when you want the source trail.
Every ingredient shows its real amount — nothing is hidden in a proprietary blend.
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 findingA count that moves steadily is ordinary. A sudden burst is what deserves a closer look.
Written reviews rose from 63 to 77 between February 7 and July 25, 2026. The largest rise inside any single 30-day window was about 4, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingThese are evidence gaps, not strikes against the product.
Filed address
Suite 704-915, 276 5th Ave, New York City, New York 10001, 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 ↗
The label amount is shown beside the range used in the linked ingredient studies.
10 mg per serving — within the 8–40 mg/day used in the linked studies.
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 300 mg of magnesium per serving. Studies we found used 200 mg–420 mg a day, so this sits inside that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
The panel lists 10 mg of zinc per serving. Studies we found used 8 mg–40 mg a day, so this sits inside that range.
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
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.
Lowest New observed via Keepa on 2026-07-26.
View on Amazon ↗Useful official shopping lead; excluded from exact price comparisons.
Magnesium Glycinate with Zinc · Default Title. The page matches the same named product, but omits the identifier needed to bind the exact sellable unit.
Check brand website ↗No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search iHerb ↗No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search Target ↗No matching product page was confirmed in the current record. Search results cannot be attached as this product until the UPC/GTIN matches.
Search Walmart ↗The related page's review pool may differ from the observed listing. Because the page does not publish a matching UPC/GTIN, LookCloser does not attribute that review aggregate to this exact sellable unit.
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.
The summary stops at product-specific facts. The full report preserves every source, calculation, limitation, and unresolved check for review or sharing.
Record built July 26, 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.