Grade: C

MEDIUM RISK

Prevagen

Item: Prevagen
Rating: 50
Author: SupplementChecker

Part of Quincy Bioscience

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

Prevagen has a SupplementChecker trust score of 50/100, which is a Grade C, indicating medium risk. No third-party testing certifications were found for Prevagen. Consumers should be aware of elevated FDA adverse event reports associated with the brand.

Prevagen Trust Summary

Trust Score: 50/100 (Fair)
Grade: C
Risk Level: MEDIUM
Third-Party Tested: No
FDA Recalls: 0
Adverse Events: 25
Years in Business: 19 years
GMP Certified: Yes

Prevagen has a trust score of 50/100 (Fair). The brand is not third-party tested by NSF, USP, or Informed Sport, has no FDA recalls on record and 25 adverse event reports and has been in business for 19 years.

Where to Buy Prevagen

Purchase from trusted retailers. We may earn a commission at no extra cost to you.

Buy on iHerb Buy on Amazon Official Site

Check another brand:

e.g. Nature Made, Thorne, NOW Foods...

Check

Red Flags

⚠Elevated FDA adverse event reports (25)
⚠No third-party testing certifications found

Verified Strengths

✓Established brand — operating since 2007 (19 years)

Certifications

GMP Certified

GMP certification ensures manufacturing quality standards are met, but does not verify that product contents match the label through independent testing. Look for NSF, USP, or Informed Sport certifications for third-party verified products.

FDA Record

FDA Warning Letters

Recalls

Adverse Reports

Is Prevagen Third-Party Tested?

No — Prevagen is not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do hold GMP certification, which ensures manufacturing quality but does not independently verify product contents. We recommend looking for brands with verified third-party testing for the highest confidence in product quality. See our guide to third-party tested supplements.

Is Prevagen a Good Brand?

Prevagen scores 50/100 (C) — this is a below-average score. We recommend considering brands with third-party certifications like NSF or USP. Prevagen has a clean FDA record with no warnings or recalls. The brand does not currently hold third-party testing certifications.

About Prevagen

Prevagen is a brain health supplement brand founded in 2007 by Quincy Bioscience. The company is headquartered in the US and focuses on products aimed at improving memory and cognitive function. Prevagen has become a widely recognized brand in the brain health supplement market.

Product Specialization

Prevagen specializes in the brain health and memory supplement categories. Their primary product is a dietary supplement marketed to improve memory, focus, and cognitive function. They are known for their focus on apoaequorin, an ingredient they claim supports brain health.

Testing & Certifications Explained

Prevagen is GMP certified, which means that their manufacturing processes adhere to certain quality standards. However, there is no evidence that Prevagen is third-party tested. Third-party testing provides an extra layer of assurance by verifying the ingredients and potency of supplements through independent laboratories. The absence of third-party testing means that the brand's claims are not independently verified.

How Prevagen Compares

Compared to other brain health supplement brands, Prevagen's trust score of 50/100 places it in the middle range. For example, some competitors like Neurohacker Collective (Qualia Mind) have higher trust scores and utilize extensive third-party testing. Other brands like Onnit may have similar scores but offer more transparency regarding ingredient sourcing. Consumers should compare Prevagen reviews and certifications with those of its competitors to make an informed decision.

Buying Guidance

Given Prevagen's trust score and lack of third-party testing, consumers should carefully consider whether this brand aligns with their needs. Purchase from reputable retailers and always consult with a healthcare professional before starting any new supplement. Verify the ingredient list and be aware of the reported FDA adverse events.

Frequently Asked Questions

Has Prevagen had any recalls?

No — as of 2026, Prevagen has zero FDA product recalls on record. Prevagen received a trust score of 50/100 from SupplementChecker.

Are Prevagen supplements third-party tested?

No — Prevagen supplements are not currently third-party tested by independent certifiers like NSF, USP, or Informed Sport. They do have GMP (Good Manufacturing Practice) certification, which ensures manufacturing quality but does not independently verify product contents.

Is Prevagen safe?

Prevagen received a trust score of 50/100 (grade: C, risk level: MEDIUM). This score is calculated from FDA records, third-party certifications, adverse event reports, and transparency practices. No FDA warnings or recalls are on record.

Is Prevagen a good brand?

Prevagen scores 50/100 (grade: C) — this is below average. We recommend looking for brands with third-party certifications like NSF or USP. They do not currently hold third-party testing certifications like NSF, USP, or Informed Sport. No FDA warnings or recalls found.

Get FDA Recall Alerts

We'll notify you when FDA recalls affect supplement brands you care about.

Compare Similar Brands

Brands in similar categories with comparable trust profiles. Compare certifications, scores, and safety records.

65/100

Lower rated

Brightside

Grade B • Higher score

65/100

Lower rated

Outwork Nutrition

Grade B • Higher score

65/100

Lower rated

Vital Vitamins

Grade B • Higher score

65/100

Lower rated

Thesis

Grade B • Higher score

65/100

Lower rated

Traditional Medicinals

Grade B • Higher score

Want more comparisons? Browse our supplement categories or check our buying guides.

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 regulatory 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, Health Canada (LNHPD / recalls-rappels), NSF.org, USP.org, and publicly available brand information. Last updated: 4/9/2026.

Promote Your Trust Score

Embed this badge on your site — it displays Prevagen's verified trust score and links back to this profile page. Helps show buyers you're transparent about third-party testing.

Small · 220×110

<iframe src="https://supplementchecker.co/embed/prevagen/" width="220" height="110" frameborder="0" loading="lazy" title="Prevagen trust score by SupplementChecker"></iframe>

Medium · 320×160

<iframe src="https://supplementchecker.co/embed/prevagen/" width="320" height="160" frameborder="0" loading="lazy" title="Prevagen trust score by SupplementChecker"></iframe>

Large · 420×210

<iframe src="https://supplementchecker.co/embed/prevagen/" width="420" height="210" frameborder="0" loading="lazy" title="Prevagen trust score by SupplementChecker"></iframe>

Paste the snippet anywhere on your site. The badge updates automatically when Prevagen's trust score changes.

Own this brand? Contact us to update your information.

Want to find supplements you can trust?

Third-party testing is the single best indicator of supplement quality. We analyzed Prevagen and 500+ other brands to find the ones that actually prove what's on the label.

See the best third-party tested supplements →