#1 selling Brain* Supplement NATIONWIDE†

For Over 10 Years

Prevagen, Inc. calculation based on Syndicated US NIQ Total Store including Fresh – 10 years database for the Mental Performance (Brain) Supplement category/segment last 10 years, week ending March 22, 2025 time period. Copyright ©, Nielsen Consumer LLC.

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    Prevagen's Latest Reviews

    • "I have been using Prevagen at least 6 to 7 years and I wouldn’t be without it. It’s a great product thank you."

      Carolyn R.

    • "I have been using Prevagen for better than a year and do recognize its beneficial effects. It’s a matter of using it on a regular basis."

      Jean D.

    • "Have been taking Prevagen for 4 years+. I highly recommend this product to everyone. It really helps!!"

      Robert F.

    • "I saw a commercial two years ago and decided to try Prevagen. After using the regular strength, I switched to extra strength. I am satisfied with my results. I attribute it to your product."

      Carol P.

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        What is Prevagen?

        Prevagen is a unique supplement for your brain.*

        Prevagen has been tested to be safe according to published studies.

        The unique ingredient in Prevagen, apoaequorin (pron. ‘a-po-ah-kwor-in’), originally discovered in jellyfish, is an ingredient that is only found in Prevagen and is now produced in a controlled scientific process.

        Learn More About the Safety of Prevagen

        Powered by apoaequorin, the unique ingredient in Prevagen, was originally found in jellyfish. Tested to be safe according to published studies.

        Safety Study I

        The unique ingredient in Prevagen, apoaequorin, was evaluated for safety using a toxicity study, a common method for evaluating dietary supplements. Apoaequorin has been found to be safely consumed in amounts much higher than recommended (4,000 times the recommended daily amount of Prevagen Regular Strength).

        Safety Study II

        In a separate safety study, apoaequorin has not shown to have any significant risk of allergic reactivity when ingested.

        Safety Study III

        In a third study conducted on the safety of apoaequorin, the protocol followed was very similar to Safety Study I, however, in this instance, the amount was increased. Apoaequorin has been found to be safely consumed in amounts much higher than recommended (16,000 times the recommended daily amount of Prevagen Regular Strength).

        Answers to Frequently Asked Questions

        What is Prevagen®?

        Prevagen (Pronounced: prev-uh-gin) is a supplement made for your brain*. Prevagen is the only product that is formulated with unique ingredient apoaequorin.

        What is apoaequorin?

        Discovered in jellyfish, Apoaequorin, is a unique ingredient that is only found in Prevagen and is now produced in a controlled scientific process.

        Is Prevagen safe?

        Yes, 3 peer-reviewed safety studies have been conducted. Click here to see the safety studies.

        Has Prevagen been verified by any third parties for safety and quality?

        Yes. Prevagen has met the standards for NSF’s Contents Certified certification program. The NSF is one of the most respected independent certification organizations in existence today. Learn more about their testing by clicking here.

        Is a prescription needed to buy Prevagen?

        No, a prescription is not needed to buy Prevagen. Prevagen is not a drug but is a dietary supplement that is available over-the-counter and also available

        Can Prevagen be taken with medications?

        As with any new supplement regimen, you may want to talk with your doctor before beginning Prevagen use.

        Are there any side effects with Prevagen?

        If you are concerned with any side effects, you may want to talk with your doctor before beginning Prevagen use.

        How long has Prevagen been available?

        After many years of research Prevagen was introduced in 2007. Prevagen has grown to become the #1 dietary supplement in drug stores† and is available in over 60,000 stores nationwide.† According to Nielsen data

        Should l continue to take my vitamin and mineral supplements with Prevagen?

        Yes, you can continue to take your vitamin and mineral supplements with Prevagen. Prevagen works in a complementary way to other vitamin and mineral supplements. It is not meant to replace your current supplement regimen.