Checked against public sources on September 3, 2026 · LookCloser does not sell or recommend supplements.
Does the marketing hold up?
Registered owner records: NUTRABIOCOM, INC. · NutraBio Labs, Inc. The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.
“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 | 350 mg |
|---|
Printed on the package: MINERAL SUPPLEMENT
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.
The public sources did not settle the marketing promises on this label.
Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.
Ingredient research can support context, but it is not a trial of this exact product.
Headlines first. Open evidence only when you want the source trail.
The public ownership record is ambiguous. We show the exact candidates instead of choosing one by name similarity.
USPTO returned multiple live supplement-class records for the exact brand wordmark: NUTRABIOCOM, INC., NutraBio Labs, Inc.. These records answer who owns registrations for the brand; the separate product-to-owner or manufacturer link remains open.
Locked evidence record →Open the full source-linked findingEvery 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 9 to 17 between March 13 and August 11, 2026. The largest rise inside any single 30-day window was about 8, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingThese are the USPTO records behind the brand name. We show them all rather than choosing one by similarity.
NEW JERSEY, USA · Registration 3265151
P.O. BOX 626, 564 Lincoln Blvd. Middlesex, NJ 08846, MIDDLESEX, NEW JERSEY 08846, UNITED STATES
IC 005: Dietary and nutritional supplements; Dietary supplements; Dietary supplements for human consumption; Herbal supplements; Meal replacement and dietary supplement drink mixes; Nutraceuticals for use as a dietary supplement; Nutritional supplements; Powdered nutritional supplement drink mix; Vitamin and mineral supplements; Vitamin supplements.
NEW JERSEY, USA · Registration 5171275
564 Lincoln Blvd., Middlesex, NEW JERSEY 08846, UNITED STATES
IC 005: Dietary supplements; Dietary supplements for human consumption; Dietary and nutritional supplements; Herbal supplements; Nutritional supplements; Powdered nutritional supplement drink mix; Vitamin supplements; Vitamin and mineral supplements; Dietary supplement drink mixes; Nutraceuticals for use as a dietary supplement.
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 ↗
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.
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 350 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.
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.
Exact page checked on 2026-09-03.
View on Amazon ↗Useful official shopping lead; excluded from exact price comparisons.
Magnesium Glycinate · Powder. 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 full report shows every source, the exact unresolved question, and the documentation that would settle it.
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.