Memory Supplement

Prevagen Extra Strength

57 adverse event reports submitted to the FDA · 2016–2025 · Data current as of June 3, 2026

These are reports submitted to the FDA. A report does not mean the product caused the effect. Counts reflect reporting activity, not how common an effect is.

Most Reported Reactions

Top 10 reactions from 57 reports. One report may include multiple reactions — reaction totals may exceed the report count.

Dizziness
10
Blood pressure increased
9
Cerebrovascular accident
8
Headache
6
Convulsion
6
Malaise
5
Loss of consciousness
5
Tremor
4
Confusional state
3
Nausea
3

Reported Outcomes

Outcome categories as recorded in FDA reports. One report may include multiple outcomes.

OutcomeReports
Other Serious or Important Medical Event 48
Hospitalization 20
Visited Emergency Room 12
Visited a Health Care Provider 12
Disability 3
Life Threatening 3
Death 2
Other Serious Outcome 1
Injury 1

Who Reported

Reporter demographics where available. Many reports do not include age or gender data.

Age

Under 18
0
18–34
1
35–49
1
50–64
4
65–79
22
80+
19
Unknown
10

47 reports had age data; 10 unknown.

Gender

Male
22
Female
33
Unknown/Not Reported
2

Reports by Year

Annual report counts from 2016–2025. Spike years may reflect recalls, media coverage, or litigation rather than changes in the product.

'16
'17
'18
'19
'20
'21
'22
'23
'24
'25

Hover bars for exact counts.

Data Source

This page presents data from the FDA's CFSAN Adverse Event Reporting System (CAERS) via the openFDA API. Reports are voluntary and unverified. The FDA has not concluded that this product caused any reported event.

View openFDA CAERS data ↗  ·  About our methodology  ·  How to read this data