full reportFull record · 021245412892 · 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.
The listing-image panel publishes an amount for each of its 5 listed rows. That supports ingredient-by-ingredient review; it does not verify the contents.
| Panel row | Amount | %DV | What to notice |
|---|---|---|---|
| Calories | 10 | — | |
| Total Carbohydrate | <1 g | — | |
| Dietary Fiber | 1 g | — | |
| Magnesium (from Magnesium Glycinate) | 210 mg | — | |
| Sodium | 15 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; the open question is whether those listed amounts are independently verified and how they compare with relevant research.
vision:claude-cli:subscription 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.
USPTO lists Makers of Kal, Inc. (CORPORATION) in CALIFORNIA, USA; DELAWARE, 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.
UPCitemdb resolves 021245412892 to "KAL Magnesium Glycinate Tablets, Fully Chelated, High Absorption Formula with Ma" (KAL) — consistent with this listing.
Documented concerns
These are documented contradictions or claims that need more evidence. They are separate from missing data.
No contradictions or product-specific cautions were found at this check depth.
Unresolved public record
We looked for these signals but could not settle them from public sources. A gap is not a strike.
Marketplace rating not shown★ — rating count unavailable. No exact-listing count history was available, so no review-pattern claim is made.
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.
We read the full Supplement Facts panel from the listing-image panel (below), but the label doesn’t state a serving weight, so the arithmetic can’t run. A gap in the label’s information, not evidence of a problem.
Published sources describe how magnesium, prebiotic fiber 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.
We have not found a public label filing for this exact product. That is a gap in our records, not evidence that no filing exists.
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.
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.
Is this label filed with NIH’s Dietary Supplement Label Database (DSLD)?
Filing is voluntary, so absence proves nothing — but a filed label puts the full ingredient table on public record where anyone can read it.
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
Compare the panel on the bottle in your hand to the one shown in this record.
Ours was read from listing photos and can contain reading errors. The physical label is the source of truth — if they disagree, tell us and we’ll correct the record.
Scan the barcode on the package and confirm it reads 021245412892.
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 |
|---|---|---|
| Quality-testing claim “…Smart Choice: Our vegan Magnesium is gluten free, made without soy, and lab-tested for purity and potency.…” | 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. |
| Benefit claim “KAL Magnesium Glycinate Tablets, Fully Chelated, High Absorption Formula with Magnesium Bisglycinate Chelate for Nerve, Muscle & Bone Health Support, Vegan, Gluten Free, ” | Partly supported We looked for: whether the ingredient doses on the label match the doses used in published research | Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed. |
“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 (from Magnesium Glycinate) | shaded = doses used in studies (200 mg–420 mg) · bar = this label | 210 mg — within the studied range |
| Dietary Fiber | shaded = doses used in studies (3 g–10 g) · bar = this label | 1 g — below 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 — 3 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 | 021245412892 — via source listing UPC |
| Brand | KAL |
| Source listing identifier | B09R2CJMY3 |
| Retailer listing title | KAL Magnesium Glycinate Tablets, Fully Chelated, High Absorption Formu… show full titleKAL Magnesium Glycinate Tablets, Fully Chelated, High Absorption Formula with Magnesium Bisglycinate Chelate for Nerve, Muscle & Bone Health Support, Vegan, Gluten Free, Value Size, 240 Tablets |
| USPTO brand owner | Makers of Kal, Inc. · CORPORATION · CALIFORNIA, USA; DELAWARE, USA |
| Owner filed address | 6415 DeSoto Avenue, Woodland Hills, CALIFORNIA 913654023, UNITED STATES |
From the label (photo-read)
| Serving size | Serving Size 2 Tablets |
| Servings per container | 120 |
| Pack statement | 240 Tablets |
| Badges printed on pack | TRUST QUALITY, LAB VERIFIED, VEGAN, GLUTEN FREE, MADE WITHOUT SOY, Vegan, Gluten Free, Made Without Soy |
Supplement Facts panel (photo-read):
| Ingredient | Amount per serving | Reading confidence |
|---|---|---|
| Calories | 10 | High clearly legible in the photo |
| Total Carbohydrate | <1 g | High clearly legible in the photo |
| Dietary Fiber | 1 g | High clearly legible in the photo |
| Magnesium (from Magnesium Glycinate) | 210 mg | High clearly legible in the photo |
| Sodium | 15 mg | High clearly legible in the photo |
Claims printed on the packaging:
“High Absorption” · “Fully Chelated” · “Nerve, Bone & Muscle Support” · “VALUE SIZE” · “DIETARY SUPPLEMENT” · “Since 1932” · “LAB VERIFIED” · “MADE WITHOUT SOY”
Read by a vision model from 6 listing photos — verbatim extraction; OCR errors possible. Spot a mistake? It will be corrected on review.
Where it sells
| Seller | Price |
|---|---|
| Retailer listing ↗ | $22.69 checked Aug 14, 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 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.
prebiotic fiber (inulin-type) — NIH ODS — Fiber overview (MVMS context) · PubMed search: inulin prebiotic randomized trial · WebMD search: inulin · ClinicalTrials.gov — 22 registered studies
ℹ Use pattern in research: daily use; effects build over weeks as gut flora shift.
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 021245412892 · built August 14, 2026 · lookcloser.ai · corrections@lookcloser.ai