full reportFull record · 850053522796 · back to the summary
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What this is. We compare what a listing claims against what public records show — label arithmetic, barcode registries, NIH’s label catalog, FDA enforcement data, certification registries, and published research. Every statement below traces to one of those.
What the states mean. Confirmed = an outside source agrees. Contradicted = an outside source disagrees. Caution = something needs explaining. No data = we looked and found nothing — a gap, not a strike.
What it is not. A clean record is not an endorsement and never proof a product works. A thin record is not an accusation. We publish evidence and gaps; the conclusion is yours. Nothing here is medical advice.
Something wrong? Every figure is meant to be checkable — sources are named and linked. Send a correction and we’ll fix the record.
We compared the listing claim (420 mg) with the panel row (1.502 g magnesium l-threonate advanced complex). They do not match within the report tolerance; the source label or serving basis needs checking.
| Panel row | Amount | %DV | What to notice |
|---|---|---|---|
| Magnesium L-Threonate Advanced Complex | 1502 mg | — |
FDA rules (21 CFR 101.36) require the amount of each dietary ingredient per serving unless hidden in a listed “proprietary blend” (legal, but a transparency yellow flag). A label stating no amount at all is non-compliant — a checkable red flag. This panel states amounts; any remaining comparison concerns the front-label framing.
NIH DSLD label #288533 (public label filing for this exact product) Amounts are shown as listed panel data, not independently lab-tested contents.
Every check we ran
Confirmed evidence
These checks found support in the public record. They confirm specific facts, not the product as a whole.
Label #288533 “Magnesium 3 in 1 L-Threonate Advanced Complex” (KAPPA NUTRITION), entered 2023-08-23, with the full Supplement Facts on file. Company on file: Manufacturer — Kappa Nutrition, Frisco, Tx.
The panel gives a per-ingredient amount rather than hiding quantities inside a proprietary blend, so each one can be compared to published research.
USPTO lists Mando International LLC (LIMITED LIABILITY COMPANY) in TEXAS, USA for the exact brand wordmark. This identifies the USPTO mark owner or applicant; it does not by itself prove who manufactures or sells this product.
Written reviews rose from 2 to 81 between August 11, 2025 and July 21, 2026. The largest rise inside any single 30-day window was about 15, so the count moved in steps rather than in one burst.
Documented concerns
These are documented contradictions or claims that need more evidence. They are separate from missing data.
The listing advertises “3 in 1”. The Supplement Facts panel publishes 1 amount. Those amounts are blend totals, so what each individual ingredient contributes is not stated anywhere on the label. A count on the front of a pack is not the same as an amount on the back, and only the amount tells you how much you are getting.
Every amount on this panel is a blend total: Magnesium L-Threonate Advanced Complex. A blend total tells you the combined weight of several ingredients, not how much of any one of them you are getting — the amounts could be split in any proportion. Manufacturers are allowed to label this way. It means the individual doses are not public, so nobody outside the company can check them.
The panel lists 1502 mg magnesium. NIH gives 350 mg as the adult Tolerable Upper Intake Level for SUPPLEMENTAL magnesium only (not from food). That is about 4.3 times the limit.
Blend total, not the star ingredient. 420 mg is the total for the whole blend. Only 1,502 mg is broken out on the panel, and the amount of magnesium itself is not disclosed. You are getting 1,502 mg of magnesium per serving.
Unresolved public record
We looked for these signals but could not settle them from public sources. A gap is not a strike.
The listing says 420 mg, while our photo read produced Magnesium L-Threonate Advanced Complex at 1.502 g per serving. OCR can confuse small units and digits, so this remains unresolved until checked against the physical label.
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. NSF, IFOS, USP, and Informed-Sport were not checked in this record.
label states 420 mg/serving — about 100% 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. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.
At 1.0 serving(s) a day to reach the low end of the studied range (200–420 mg), this product runs roughly $14 per month. A price observation, not a recommendation.
Published sources describe how magnesium have been studied. This is ingredient context only; the record does not establish that this product delivers the studied dose or outcome. Sources: NIH ODS — Magnesium fact sheet, PubMed search: magnesium glycinate supplementation.
This means only that no enforcement record matched the brand name — it does not mean the product was tested, reviewed, or cleared by FDA. New and untested products also have no recall records.
The paid catalog links this exact item to a parent listing. Review counts on public product pages may be shared across sizes, flavors, or other variants, so the count history is listing context — not evidence that reviewers received or tested this exact variant.
Exact-listing history records written-review counts from 0 on 2025-07-13 to 81 on 2026-07-21 (net +81). Count movements can reflect sales, listing variants, collection resets, or moderation; this history does not establish whether reviews are authentic.
Check digit passes; no third-party database record found yet. Coverage gaps are common — not a strike.
What to ask and check
Ask the brand or seller
Can you send the certificate of analysis (COA) for the lot number on my bottle?
A real COA names the testing laboratory, the test date, the lot it covers, and what was measured. “Third-party tested” with no document behind it is a marketing sentence.
Which specific study supports this claim — and was it run on this exact formula?
Ask for the citation, how many people took part, the dose used, and whether the study tested this product or just one ingredient in it. Ingredient research is not product evidence.
Where are the ingredients sourced, and where is the product manufactured?
“Made in USA” can describe only the final bottling step. Ask which country the actives came from and whether the facility is audited.
Most brands and sellers publish a contact route. A clear answer adds evidence to the record; no answer leaves the question open.
Check for yourself — no one’s permission needed
Scan the barcode on the package and confirm it reads 850053522796.
A mismatch between the barcode on the box and the one on the listing is worth pausing over — it can indicate a different variant, a repack, or a counterfeit.
Check the lot number and expiry on the bottle against any COA you’re given.
A certificate that doesn’t name your lot doesn’t describe what you’re holding.
These are the open questions on this specific record — not a warning about the product, and not a suggestion to buy or avoid it. Getting them answered is how you decide for yourself.
What the listing promises — claim by claim
| Claim | Status | What we found |
|---|---|---|
| Clinical-evidence claim “…CLINICALLY STUDIED INGREDIENTS…” | No evidence located We looked for: a named, citable clinical study of this product or formula | 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. |
| Quality-testing claim “…Independent Lab Tested…” | Claimed, not verifiable We looked for: the observed listing, saved brand product page, any linked COA or test report; NSF, IFOS, USP, Informed-Sport were not queried | 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. |
| Origin claim “…PREMIUM CANADIAN MAGNESIUM MANUFACTURED IN THE USA We source our premium magnesium from Canada's pristine mineral regions, then manufacture every bottle in a cGMP Certif” | Claimed, not verifiable We looked for: customs records or label filings showing where ingredients were sourced and where it was made | “Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product. |
| Benefit claim “…RED BY MAGBRAIN MAGNESIUM L-THREONATE PLANT-BASED Magnesium L-Threonate Plant-Based 3 in 1 combines Magbrain Magnesium L-Threonate Plant-Based, magnesium bisglycinate, a” | Partly supported We looked for: whether the ingredient doses on the label match the doses used in published research | Ingredient evidence exists; on dose: label states 420 mg/serving — about 100% 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. |
“No evidence located” does not mean a claim is false — it means the seller has not put evidence proportionate to the claim on the public record, and we could not find any. Absence of proof is not proof of absence.
This label vs. the doses studied
| Ingredient | Where this label sits | Reading |
|---|---|---|
| Magnesium L-Threonate Advanced Complex | shaded = doses used in studies (200 mg–420 mg) · bar = this label | 1.502 g — above the studied range |
Matching a studied dose does not mean the product works, and missing it does not mean it fails — it shows whether the label and the research are talking about the same amounts. Not a recommendation to take any amount.
Documented cautions
Statements from published sources about these ingredients — not advice about this product, and not a complete safety review. Anyone taking medication should talk to a pharmacist or clinician.
Verifiability profile — 4 of 6 public signals
What this listing gives the public to check. Publishing these signals doesn't prove quality — but withholding them means claims can only be taken on faith.
Identity
| UPC (barcode) — also our record ID | 850053522796 — via source listing UPC |
| Brand | KAPPA NUTRITION |
| Source listing identifier | B0DQVP7MQG |
| Retailer listing title | Magnesium L-Threonate Plant-Based 3 in 1 Powered by Magbrain® Magnesiu… show full titleMagnesium L-Threonate Plant-Based 3 in 1 Powered by Magbrain® Magnesium L-Threonate Plant-Based | Magnesium Bisglycinate & Magnesium Malate | Up to 420 mg Elemental Magnesium | 60 Vegan Capsules. |
| USPTO brand owner | Mando International LLC · LIMITED LIABILITY COMPANY · TEXAS, USA |
| Owner filed address | 6845 Solitude Creek Ct, Frisco, TEXAS 75036, UNITED STATES |
From the label (photo-read)
| Servings per container | 30 |
| Pack statement | 60 CAPSULES 30 SERVINGS |
| Badges printed on pack | Non-GMO, Vegan, Gluten-Free, Independent Lab Tested, SAME TRUSTED NON-GMO FORMULA, QUALITY YOU CAN TRUST, THIRD-PARTY LAB TESTED, cGMP CERTIFIED FACILITY |
No Supplement Facts panel appears in the listing photos — the full per-ingredient table isn't shown to buyers before purchase. Recorded as a transparency gap, not a strike.
Claims printed on the packaging:
“HIGH POTENCY • ADVANCED COMPLEX” · “PLANT-BASED” · “3 IN 1 / L-THREONATE • BISGLYCINATE • MALATE” · “Supports: Relaxation & Sleep, Muscle, Bone & Energy, Cognitive function & mental clarity” · “420 mg / 288 mg Elemental Mg per Serving” · “CLINICALLY STUDIED INGREDIENTS” · “NEW LOOK” · “SAME TRUSTED FORMULA YOU KNOW AND TRUST”
Read by a vision model from 8 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.
Supplement Facts — NIH DSLD registry
serving: 2 Capsule(s) · contents: 90 Capsule(s) · label #288533 at dsld.od.nih.gov
| Ingredient | Amount per serving |
|---|---|
| Magnesium L-Threonate Advanced Complex | 1502 mg |
mcg = 1/1,000 of a mg. As filed in the NIH Dietary Supplement Label Database — the authoritative digitization of the printed label. Label versions can lag reformulations.
Where it sells
| Seller | Price |
|---|---|
| Retailer listing ↗ | $13.99 checked Aug 02, 2026 — varies by variant/session; price history pending |
Reference links for identification only — LookCloser has no affiliate relationships and earns nothing from any link on this page.
Ingredient science — NIH references
Magnesium — NIH ODS · MedlinePlus · PubMed (11,814) · UL 350 mg (SUPPLEMENTAL magnesium only (not from food))
Reference data from the NIH Office of Dietary Supplements, IOM Dietary Reference Intakes, and PubMed. A Tolerable Upper Intake Level is a documented reference figure, not a safety verdict — both the listed amount and the reference are shown for your own judgment. LookCloser gives no medical advice.
Related research & consistency
magnesium — NIH ODS — Magnesium fact sheet · PubMed search: magnesium glycinate supplementation · WebMD: magnesium · ClinicalTrials.gov — 3,206 registered studies
ℹ Dosage: label states 420 mg/serving — about 100% 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.
ℹ Use pattern in research: daily oral use; chelated forms (glycinate) are studied for absorption — note labels may state compound mass rather than elemental magnesium, which differs ~7-fold.
These notes state where label numbers and marketing framing sit relative to published research — documentation for your own judgment, not medical advice. LookCloser does not advise for or against taking any supplement.
Record 850053522796 · built August 02, 2026 · lookcloser.ai · corrections@lookcloser.ai