What Do Medical Doctors Think Of Prevagen. Food and drug administration (fda) claims that prevagen has not been reported by more than a thousand adverse reactions, including strokes, seizures, and worsening multiple sclerosis symptoms, as well as chest pains and fainting, and, curiously, memory impairment and. As for supplements to help memory, these are your best bets:

However, the amount of the vitamin in prevagen is not very high, so it may not be overly effective for dementia. The bottle promises it improves memory and supports: The other ingredient in prevagen is apoaequorin.