LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedNextdia · checked Aug 1, 2026 · on sale since May 6, 2022🇺🇸 USPTO wordmark owner · Shirley Truong · USA
Quick read · Nextdia

Vitamin D3 20,000 IU + K2 Vitamin (MK4 & MK7) 200mcg + Calcium…

Checked against public sources on August 1, 2026 · LookCloser does not sell or recommend supplements.

2packs · 120 servings

Does the marketing hold up?

Every ingredient shows its amount · 3 ingredients listed. Every ingredient shows its real amount — nothing is hidden in a proprietary blend.

Is the dose real?Listing and panel agreeboth say 200 mg of Calcium
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?🇺🇸Shirley Truongindividual · 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
The label itself

What the Supplement Facts panel says

Serving size Serving Size: 1 Softgel · 120 servings per container

Vitamin D3 (as Cholecalcifrol)500 mcg (20000iu)
Vitamin K2 Complex (as K2 Menaquinone-4 (MK-4)) (as K2 Menaquinone-7 (MK-7))200 mcg
Calcium (as Calcium Citrate)200 mg

Printed on the package: GMO FREE · GLUTEN FREE · NO ARTIFICIAL FLAVORS · cGMP

We read 3 lines from the package photograph. It is our transcript of the label, not the manufacturer’s panel, and it may be incomplete.

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 · 3 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 finding
What 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?
🇺🇸
Shirley TruongIndividual · exact supplement-class mark for NEXTDIA
Registration7119930
Registered2023-07-25
AssignmentsNo transfers recorded
Show the exact filed address in the full report
620 S Magnolia Ave, Ontario, CALIFORNIA 91762, 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 ↗

Buying options

Where you can check or buy it

Only the submitted seller page is identity-certain. Other destinations are shown as leads until a shared UPC/GTIN confirms the exact product.

Amazon

Submitted listing
$35.99

Lowest New observed via Keepa on 2026-08-01.

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iHerb

Not confirmed
No 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 confirmed
No 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.

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Walmart

Not confirmed
No 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 the complete evidence trail?

The summary stops at product-specific facts. The full report preserves every source, calculation, limitation, and unresolved check for review or sharing.

Read / share full evidence →

Record built August 02, 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.