Apoaequorin, the main ingredient in Prevagen, is an over-the-counter dietary supplement. Find out what's in it, what the possible side effects are, and more. Skip to main content ...

Apoaequorin, which is a part of ... Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape. Cite this: Does Prevagen® Help Memory Loss ...

In nature, apoaequorin produces a blue light when exposed to calcium. Apoaequorin is thought to help improve memory and slow progressive loss of cognitive function, but little evidence supports this.

Apoaequorin has no known role in human memory. (And as a snarky aside, I might note that jellyfish are not known for their mental acuity.) Research has failed to show that apoaequorin improves ...