“FROM A GMP”
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.
Exact product checked · barcode not publishedHealth Nutrition Naturals · checked Aug 9, 2026 · on sale since Aug 17, 2021🇺🇸 USPTO wordmark owner · SILVERONYX LLC · DELAWARE, USA
Quick read · Health Nutrition Naturals
Magnesium Glycinate 250mg Per Serving
Checked against public sources on August 9, 2026 · LookCloser does not sell or recommend supplements.
180tablets · 90 servings
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 costsNo price found for this exact barcode
Is it tested?Claimed — no lab or certificate found
Who’s behind it?🇺🇸SILVERONYX LLClimited liability company · DELAWARE, USA
Is it the real thing?No barcode publishedso it can’t be matched against certification, recall or other retailer 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.
2◖ partly confirmed1? couldn’t verifyno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Magnesium (as Magnesium Glycinate) | 250 mg |
|---|
Printed on the package: Vegan · Non-GMO · Veggie Tabs · BOTTLED IN THE USA · GMP · LAB TESTED · QUALITY ASSURED
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
The public sources did not settle the marketing promises on this label.
◐Partly confirmed2
“Magnesium Glycinate 250mg Per Serving - High Absorption 100% Chelated Magnesium Formula - Muscle, Nerves, Bone & Heart Health Support Supplement,…”
Evidence →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.
?Couldn’t verify independently1
“FORMULA: Our Magnesium Glycinate extra strength is formulated and manufactured following strict cGMP guidelines; Our gentle Magnesium supplements…”
Evidence →No named laboratory or lot-specific certificate was found for this exact product. A related brand page names no testing issuer and links no product-bound report; its UPC is not published. 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.
We looked and found no public proof. That does not count against the product.
Marketing language, not scored
EXTRA STRENGTH
Quick read · 1 useful finding
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 findingWhat remains open 1
- No FDA recall matched this brand in the current search.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
SILVERONYX LLCLimited Liability Company · exact supplement-class mark for HEALTH NUTRITION NATURALS
Filed address
16171 S. Bringhurst Blvd. Suite 100, Bluffdale, UTAH 84065, 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 250 mg of magnesium per serving. Studies we found used 200 mg–420 mg a day, so this sits inside 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.
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$16.82
Lowest New observed via Keepa on 2026-08-10.
View on Amazon ↗Brand website
Official product-page candidate · UPC absent$10.82
Useful official shopping lead; excluded from exact price comparisons.
Magnesium Glycinate 250mg - 100% Chelated Magnesium for Max Absorption - Sleep Support, Muscle, Nerves, Bone & Heart Health Support, Best Mag Supplement, Vegan Non-GMO, 3rd Party Tested - 60 Tablets · 60 Count (Pack of 1). The page matches 250 mg, but omits the identifier needed to bind the exact sellable unit.
Check brand website ↗iHerb
Not confirmedNo 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.
Search iHerb ↗Target
Not confirmedNo 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.
Search Target ↗Walmart
Not confirmedNo 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.
Search Walmart ↗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.
Record built August 09, 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.