“Magnesium 72 mg per serving”
Evidence →The label promises 72 mg per serving. The panel says 72 mg. They match.
Exact product checked · GTIN 00812239008791Sandhu's · checked Aug 4, 2026 · on sale since Feb 19, 2025🇺🇸 USPTO wordmark owner · Sandhu Products, Inc. · CALIFORNIA, USA
Quick read · Sandhu's
Magnesium Glycinate 400mg Capsules with Quercetin for Men &…
Checked against public sources on August 4, 2026 · LookCloser does not sell or recommend supplements.
120capsules
120servings per container
Does the marketing hold up?
Every ingredient shows its amount · 2 ingredients listed. Every ingredient shows its real amount — nothing is hidden in a proprietary blend.
Is the dose real?✓Listing and panel agreeboth say 72 mg of Magnesium
What a serving costs$0.37per serving, at the checked price
Is it tested?NSF seal printed on the labelwe read it off the package photo; not confirmed in NSF’s registry
Who’s behind it?🇺🇸Sandhu Products, Inc.corporation · CALIFORNIA, USA
Is it the real thing?✓Barcode matches outside records
Trouble on record?✓No recalls found
“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.
1✓ checked out3◖ partly confirmed1? couldn’t verifyno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Magnesium (elemental) (from 400 mg Magnesium Glycinate) | 72 mg |
|---|---|
| Quercetin (as quercetin dihydrate) Japanese sophora (Sophora japonica) (flower buds) extract | 50 mg |
Printed on the package: Third Party Lab Tested · Science-Based Nutrition · GMP · NSF
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.
Marketing claims, checked
The checks, one by one
1 promise checks out. 4 could not be fully confirmed from public sources.
✓Matches the label1
◐Partly confirmed3
“USA FACILITY + RISK-FREE GUARANTEE — Made in an NSF-GMP certified California”
Evidence →“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.
“ease oxidative stress AND support quality sleep — one capsule does”
Evidence →Ingredient evidence exists; on dose: label states 72 mg/serving — about 17% of the adult daily reference (adult RDA 310–420 mg elemental; NIH sets 350 mg/day as the supplemental upper level for elemental magnesium). A single serving isn’t meant to supply a full day, so this is context, not a shortfall. Caveat: chelate labels (glycinate, citrate) often state compound mass, which reads ~5–7× higher than elemental magnesium — the Supplement Facts panel settles which is meant.
“tested for purity and”
Evidence →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.
?Couldn’t verify independently1
“in USA with Globally”
Evidence →“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.
Quick read · 2 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 · 2 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 findingCheckedCan you trust the review pattern?
Reviews rose from 7 to 51 between July 23, 2025 and August 1, 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 7 to 51 between July 23, 2025 and August 1, 2026. The largest rise inside any single 30-day window was about 7, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingWhat remains open 3
- No FDA recall matched this brand in the current search.
- We have not found a public label filing for this exact product.
- Barcode checksum is valid; no independent product record was found.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
Sandhu Products, Inc.Corporation · exact supplement-class mark for SANDHU'S
Filed address
4580 Contractors Place, Livermore, California 94551, 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 72 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$44.99
$0.37 per labeled serving
matching UPC/GTIN · checked Aug 4, 2026
View on Amazon ↗Brand website
Official product-page candidate · UPC absent$27.00
Official shopping lead; excluded from exact price comparisons.
Magnesium Glycinate with Quercetin Capsules - 120 Ct · 1. Confirm the package UPC/GTIN before buying.
Check brand website ↗iHerb
Not confirmedNo 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 confirmedNo 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 confirmedNo 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.
The brand-page price is shown as a shopping lead only. It is excluded from the exact-product price difference because the page does not publish this record's matching UPC/GTIN.
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.
Record built August 04, 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.