“Support:”
Evidence →Ingredient evidence exists; on dose: label claims 1000 mg/serving — within the range commonly used in research (human trials to date mostly use 250–1,000 mg/day).
Exact product checked · GTIN 00739768820000CFUKING · checked Jul 23, 2026 · on sale since Nov 28, 2025🇨🇳 USPTO wordmark owner · Lonnie Crouse · UNITED KINGDOM; CHINAPackage says manufactured for: CFUKING · AJI Gag PK Rockville, MD 04716 United States of America
Quick read · CFUKING
CFUKING NMN 1,000 mg Per Serving Maximum Strength
Checked against public sources between July 23 and July 24, 2026 · LookCloser does not sell or recommend supplements.
60capsules · 30 servings
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says manufactured for: CFUKING, AJI Gag PK Rockville, MD 04716 United States of America. USPTO names Lonnie Crouse as the exact wordmark owner. …
Is the dose real?Can’t check — no panel filed
What a serving costs$0.97per serving, at the checked price
Is it tested?No testing claim made
Who’s behind it?🇨🇳Lonnie Crouseindividual; other · UNITED KINGDOM; CHINA
Is it the real thing?✓Barcode matches outside records
Trouble on record?Recall check not run yeta gap in our records, not a finding about the product
“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◖ partly confirmedno contradictions · no recalls
Marketing claims, checked
The checks, one by one
The public sources did not settle the marketing promises on this label.
◐Partly confirmed1
Ingredient research can support context, but it is not a trial of this exact product.
Marketing language, not scored
MAXIMUM STRENGTH 1000
Quick read · 1 useful finding
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
CheckedCan you trust the review pattern?
Reviews rose from 0 to 161 between December 22, 2025 and August 28, 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 0 to 161 between December 22, 2025 and August 28, 2026. The largest rise inside any single 30-day window was about 39, so the count moved in steps rather than in one burst.
Locked evidence record →Open the full source-linked findingWhat remains open 2
- We have not found a public label filing for this exact product.
- Barcode checksum is valid; no independent product record was found.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇨🇳
Lonnie CrouseIndividual; Other · exact supplement-class mark for CFUKING
Filed address
26 Hounslow Rd, Soar, TQ72ZF, UNITED KINGDOM
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.
Where it sells
Price check for this exact product
Amazon
Exact UPC/GTIN match$28.97
$0.97 per labeled serving
matching UPC/GTIN · checked Aug 29, 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 ↗Only one exact price was available at build time; prices change by date, seller, and promotion.
No official brand storefront is confirmed in this record. That is neutral, but it prevents a direct brand-price, label, review, and document check.
Reference prices only · no affiliate links · every compared seller must publish the matching UPC/GTIN.
Want to inspect the evidence?
The full report shows every source, the exact unresolved question, and the documentation that would settle it.
Record built September 03, 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.