45
Grade: D
HIGH RISK

Prevagen

Part of Quincy Bioscience

https://www.prevagen.com Est. 2007 (19 years)

Prevagen is a supplement brand known for its brain health and memory products, operating under its parent company Quincy Bioscience since 2007. The brand holds a GMP certification but lacks third-party testing certifications, and despite having no FDA warning letters or recalls, it has received 65 FDA adverse event reports. With a trust score of 45/100, Prevagen is considered a high-risk brand, warranting careful consideration by potential consumers.

Red Flags

  • High number of FDA adverse event reports (65)
  • No third-party testing certifications found

Verified Strengths

  • Established brand — operating since 2007 (19 years)

Certifications

GMP Certified

FDA Record

0
Warning Letters
0
Recalls
65
Adverse Reports
How We Calculated This Score

Every brand starts with a baseline score of 70/100.

Points added for: Third-party certifications (NSF +15, USP +15, Informed Sport +10), publishing lab results (+10), clean FDA record (+10), 10+ years in business (+10), organic certification (+5).

Points deducted for: FDA warning letters (-25), product recalls (-20), high adverse events (-15), no third-party testing (-15), proprietary blends (-10), no GMP (-10).

Score is capped at 0-100. Grade and risk level are derived from the final score.

All data sourced from FDA.gov, NSF.org, USP.org, and publicly available brand information. Last updated: 3/20/2026.