“Nicotinamide Mononucleotide 250 mg per serving”
Evidence →The label promises 250 mg per serving. The panel says 250 mg. They match.
Exact product checked · GTIN 00859793007327Double Wood Supplements · checked Jul 25, 2026 · on sale since Jun 6, 2019🇺🇸 USPTO wordmark owner · Double Wood LLC · PENNSYLVANIA, USAPackage says manufactured by: Brand Nutraceuticals Inc.
Quick read · Double Wood Supplements
NMN Supplement - 99% Purity Tested - 125mg per Capsule of…
Checked against public sources on July 25, 2026 · LookCloser does not sell or recommend supplements.
60capsules
Does the marketing hold up?
Package and trademark records name different responsible entities. The package says manufactured by: Brand Nutraceuticals Inc.. USPTO names Double Wood LLC as the exact wordmark owner. That can be a normal distributor, manufacturer, or licensing relationship; the saved…
Is the dose real?✓Listing and panel agreeboth say 250 mg of Nicotinamide Mononucleotide
What a serving costsNo price found for this exact barcode
Is it tested?No testing claim made
Who’s behind it?🇺🇸Double Wood LLClimited liability company · PENNSYLVANIA, USA
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✓ checked out2◖ partly confirmed1? couldn’t verifyno contradictions · no recalls
The label itself
What the Supplement Facts panel says
| Nicotinamide Mononucleotide | 250 mg |
|---|
Printed on the package: GLUTEN FREE · MADE WITH NON-GMO INGREDIENTS · GLUTEN
We read 1 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
1 promise checks out. 3 could not be fully confirmed from public sources.
✓Matches the label1
◐Partly confirmed2
“NAD+ FOR CELLULAR ENERGY AND HEALTHY AGING: NMN is a direct precursor to NAD+, a critical molecule that drives cellular energy metabolism and…”
Evidence →Ingredient evidence exists; on dose: label claims 250 mg/serving — within the range commonly used in research (human trials to date mostly use 250–1,000 mg/day).
“TO THE HIGHEST STANDARDS: Made in the USA in a GMP-compliant facility, Double Wood's NMN is non-GMO and”
Evidence →“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.
Ingredient research can support context, but it is not a trial of this exact product.
?Couldn’t verify independently1
“TO THE HIGHEST STANDARDS: Made in the USA in a GMP-compliant facility, Double Wood's NMN is non-GMO and”
Evidence →“Made in USA” can describe only final bottling. Ingredient-sourcing records were not located for this product.
We looked and found no public proof. That does not count against the product.
Quick read · 3 useful findings
What is worth knowing.
Headlines first. Open evidence only when you want the source trail.
CheckedIs the label honest?
Listing claim matches the Supplement Facts panel
The label promise and the Supplement Facts amount agree.
Evidence and sources
The listing claims 250 mg; the photo-read Supplement Facts panel shows Nicotinamide Mononucleotide at 250 mg per serving — the listing text and its photo-read panel agree; this is internal consistency, not independent testing.
Locked evidence record →Open the full source-linked findingCheckedIs the label honest?
Every ingredient shows its amount · 1 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 · 859793007327.
The barcode matches, so we are checking the right product rather than a look-alike.
Evidence and sources
UPCitemdb resolves 859793007327 to "Nicotinamide Mononucleotide (Nmn) - 60 capsules, 250 mg servings" (Double Wood Supplements) — consistent with this listing.
Locked evidence record →Open the full source-linked findingWhat remains open 1
- We have not found a public label filing for this exact product.
These are evidence gaps, not strikes against the product.
Who owns the brand wordmark?
🇺🇸
Double Wood LLCLimited Liability Company · exact supplement-class mark for DOUBLE WOOD SUPPLEMENTS
Filed address
22 Lindsey Ave, Danville, PENNSYLVANIA 17821, 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 ↗
Research behind the findings
Dose and research context
The label amount is shown beside the range used in the linked ingredient studies.
Dose vs research
Nicotinamide Mononucleotide
STUDIED RANGE01250 mg
250 mg per serving — within the 250–1000 mg/day used in the linked studies.
Linked ingredient research · label amount, not a recommendation
Background reading
What the research says about these amounts
Not a score. Studies disagree with each other and change over time, so this sits beside the evidence rather than counting toward it — it is here so you can read the sources yourself.
The panel lists 250 mg of NMN (nicotinamide mononucleotide) per serving. Studies we found used 250 mg–1 g a day, so this sits inside that range.
0studied 250 mg–1 g
Study ranges differ between trials and change as research changes. This is background reading, not a pass, a failure, or a recommendation.
Where it sells
Price check for this exact product
Amazon
Exact UPC/GTIN match$29.95
matching UPC/GTIN · checked Aug 29, 2026
View on Amazon ↗iHerb
Exact UPC/GTIN match$48.95
matching UPC/GTIN · checked Jul 25, 2026
View on 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. Amazon was lowest at $29.95; iHerb was highest at $48.95 — a $19.00 range 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 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.