LookCloser.aipublic supplement evidence
Exact product checked · GTIN 00850047011039Prevagen · checked Jul 25, 2026🇺🇸 USPTO wordmark owner · QUINCY BIOSCIENCE, LLC · WISCONSIN, USAPackage says distributed by: Quincy Bioscience Holding Company, Inc. · Madison, WI 53717, USA
Quick read · Prevagen

Prevagen Regular Strength with Storage Box

Checked against public sources on July 25, 2026 · LookCloser does not sell or recommend supplements.

60capsules

Does the marketing hold up?

Listing brand: Prevagen · package: Quincy Bioscience Ownership and outside records for the listing brand may not describe the branding printed on the package. Confirm the package identity before treating them as the same brand.

Is the dose real?✓Panel read — 2 ingredients listed
What a serving costsNo exact-match price found
Is it tested?No testing claim made
Who’s behind it?🇺🇸QUINCY BIOSCIENCE, LLClimited liability company · WISCONSIN, USA
Is it the real thing?✓Barcode matches outside records
Trouble on record?✓No recalls found
Quick read · 3 useful findings

What is worth knowing.

Headlines first. Open evidence only when you want the source trail.

Needs explanationWho is behind it?

Listing brand: Prevagen · package: Quincy Bioscience

Ownership and outside records for the listing brand may not describe the branding printed on the package. Confirm the package identity before treating them as the same brand.

Evidence and sources

The exact product listing names “Prevagen,” while the saved package/panel image reads “Quincy Bioscience.” This can reflect a product line, catalog error, changed listing, or different packaging; it does not prove substitution. Confirm the package identity before applying owne…

Locked evidence record →Open the full source-linked finding
Checks outIs the label honest?

Every ingredient shows its amount · 2 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 2
  • No matched to this exact product public label filing is saved in this record.
  • Barcode checksum is valid; no independent product record was found.

These are evidence gaps, not strikes against the product.

Who owns the brand wordmark?
🇺🇸
QUINCY BIOSCIENCE, LLCLimited Liability Company · exact supplement-class mark for PREVAGEN
Registration7299647
Registered2024-02-06
AssignmentsNo transfers recorded

Filed address
8401 Greenway Blvd, Suite 800, Middleton, Wisconsin 53562, 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

Amazon

Exact UPC/GTIN match
$67.95

matching UPC/GTIN · checked Jul 25, 2026

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iHerb

Not confirmed
No exact listing saved

Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.

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Target

Not confirmed
No exact listing saved

Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.

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Walmart

Not confirmed
No exact listing saved

Search results remain not linked to this exact product until this retailer publishes the matching UPC/GTIN.

Search Walmart ↗

Only one exact price was available at build time; prices change by date, seller, and promotion.

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.

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Record built July 25, 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.