“IN”
Evidence →“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
Exact product checked · GTIN 00850059700044NatureGenX · checked Aug 1, 2026 · on sale since Feb 5, 2018🇺🇸 USPTO wordmark owner · TC Best, LLC · GEORGIA, USAPackage says distributed by: Power by Naturals · 990 Peachtree Industrial Blvd #2383, Suwanee, GA 30024
Quick read · NatureGenX
Naturegenx Vitamin D3 10,000 IU Liquid
Checked against public sources on August 1, 2026 · LookCloser does not sell or recommend supplements.
30units
30servings per container
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says distributed by: Power by Naturals, 990 Peachtree Industrial Blvd #2383, Suwanee, GA 30024. USPTO names TC Best, LLC as the exact wordmark owner. …
Is the dose real?Panel read — dose not verified3 ingredients listed; no advertised amount we could confirm against them
What a serving costs$0.57per serving, at the checked price
Is it tested?No testing claim made
Who’s behind it?🇺🇸TC Best, LLClimited liability company · GEORGIA, 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? couldn’t verifyno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Calories | 10 |
|---|---|
| Total Fat | 1 g |
| Vitamin D3 (Cholecalciferol) 250 mcg | 10,000 IU |
Printed on the package: Gluten Free · Vegetarian · MADE IN USA · Premium Quality · Non-GMO · Vegan · Gluten-Free · Dairy-Free
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.
Marketing claims, checked
The checks, one by one
The public sources did not settle the marketing promises on this label.
?Couldn’t verify independently1
We looked and found no public proof. That does not count against the product.
Marketing language, not scored
Liquid Vitamin D Supplement for Best Absorption*
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 · 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 findingCheckedWho is behind it?
The barcode identity checks out · 850059700044.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
The brand's store lists this exact barcode as “Vitamin D3 10,000 IU Liquid - High Potency Supplement for Bone, Heart, and Immune Health | Vegan, Non-GMO” (variant: Default Title) — identity confirmed across retailer listings.
Locked evidence record →Open the full source-linked findingWhat remains open 4
- 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.
- No dated review-history series is on file yet.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
TC Best, LLCLimited Liability Company · exact supplement-class mark for NATUREGENX
Filed address
7778 MCGINNIS FERRY RD #133,, Suwanee, GEORGIA 30024, 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 ↗
Where it sells
Price check for this exact product
Brand website
Exact UPC/GTIN match$16.99
$0.57 per labeled serving
matching UPC/GTIN · checked Aug 1, 2026
View on Brand website ↗Amazon
Exact UPC/GTIN match$16.99
$0.57 per labeled serving
matching UPC/GTIN · checked Aug 1, 2026
View on Amazon ↗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 ↗Same UPC/GTIN observed across 2 sellers at the same price at check time.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
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.
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.