LookCloser.aipublic supplement evidence
Exact product checked · barcode not publishedVPKIN · checked Jul 27, 2026 · on sale since Mar 13, 2025🇨🇳 USPTO wordmark owner · YIWU GUANGZONG E-COMMERCE FIRM · China
Quick read · VPKIN

VPKIN NMNH Supplement (Dihydronicotinamide Mononucleotide)

Checked against public sources on July 27, 2026 · LookCloser does not sell or recommend supplements.

120capsules · 60 servings

Does the marketing hold up?

Every ingredient shows its amount · 5 ingredients listed. Every ingredient shows its real amount — nothing is hidden in a proprietary blend.

Is the dose real?Panel read — dose not verified5 ingredients listed; no advertised amount we could confirm against them
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?🇨🇳YIWU GUANGZONG E-COMMERCE FIRMsole proprietorship · China
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

Serving size Serving Size:2 Capsules · 60 servings per container

NMNH(Dihydronicotinamide Mononucleotide)1000 mg
Nicotinamide Riboside500 mg
Nicotinamide200 mg
Quercetin50 mg
Trans-Resveratrol50 mg

Printed on the package: NON GMO · Gluten Free · 100% Nature · Vegan · GMP CERTIFIED · 100% Vegan · Non-GMO · Gluten-Free

We read 5 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

“AS AN NAD SUPPLEMENT: NMNH is a novel ingredient being studied for its ability to increase NAD+ (nicotinamide adenine dinucleotide) levels as we”

Published research exists for ingredients in this formula. Whether this product’s doses match those studies could not be confirmed.

Evidence →
“CERTIFIED”

“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.

Evidence →

Ingredient research can support context, but it is not a trial of this exact product.

?Couldn’t verify independently1

“IN”

“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.

Evidence →

We looked and found no public proof. That does not count against the product.

Marketing language, not scored

NMNH is recognized as a powerful NAD supplement

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 · 5 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
CheckedCan you trust the review pattern?

Reviews rose from 10 to 37 between October 8, 2025 and July 22, 2026 — no sudden jump.

A count that moves steadily is ordinary. A sudden burst is what deserves a closer look.

Evidence and sources

Written reviews rose from 10 to 37 between October 8, 2025 and July 22, 2026. The largest rise inside any single 30-day window was about 10, so the count moved in steps rather than in one burst.

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?
🇨🇳
YIWU GUANGZONG E-COMMERCE FIRMSole Proprietorship · exact supplement-class mark for VPKIN
Registration8069410
Registered2025-12-16
AssignmentsNo transfers recorded

Filed address
STREET,, YIWU CITY, JINHUA CITY, NO. 33, HE DESHENG ROAD WEST, HOUZHAI, ZHEJIANG PROVINCE, 322000, CHINA

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.

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
$19.99

Lowest New observed via Keepa on 2026-07-28.

View on Amazon ↗

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.

Search Target ↗

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 July 27, 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.