Frequently Asked Questions (FAQs)

What is Prevagen®?

Prevagen (Pronounced: prev-uh-gen) is a brain health supplement clinically shown to help with mild memory problems associated with aging.*

What is the most commonly reported benefit of Prevagen?

Improvement in short term memory.*

How long will it take to feel results?

Daily use for 90 days is recommended.

Is Prevagen safe?

Apoaequorin, the main ingredient in Prevagen, has undergone extensive safety testing which is typical for dietary supplements. Tests for toxicity at dosages at much higher levels than recommended equivalents were administered, and no adverse effect was observed. Third party experts agree on the safety of apoaequorin.

Can I take Prevagen with my current medication(s)?

While Prevagen has no known interactions, it is always safe to talk with your doctor before beginning a new course of supplementation.

Are there any side effects with Prevagen?

Apoaequorin, the main ingredient in Prevagen, has been generally recognized as safe as a food ingredient by an independent panel of experts convened by Quincy Bioscience.

Is Prevagen really the #1 selling brain health supplement in drug stores?

Yes. Nielsen reporting shows that Prevagen is the top seller in drug stores. Additionally, Vitamin Retailer magazine has voted Prevagen the best memory support supplement sold in independent health food stores for several years running.

Are jellyfish harmed in the making of Prevagen?

No. Apoaequorin, originally from the jellyfish, is now grown in a safe and controlled manufacturing process.

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

Absolutely. Prevagen is not meant to replace this type of supplementation. However, Prevagen works unlike any other supplement to help support the brain.* Prevagen works in a complementary way to vitamin and mineral supplements.

What’s the difference between regular strength and extra strength?

Prevagen Regular Strength is our flagship product and contains 10 mg of the main ingredient, apoaequorin, per capsule. Prevagen Extra Strength was designed to have twice the apoaequorin per capsule of Prevagen Regular Strength.

What are all the asterisks (*) for?

The asterisk (*) denotes the FDA disclaimer for dietary supplements. This statement or “disclaimer” is required by law (DSHEA) when a manufacturer makes a structure/function claim on a dietary supplement label. In general, these claims describe the role of a nutrient or dietary ingredient intended to affect the structure or function of the body. The manufacturer is responsible for ensuring the accuracy and truthfulness of these claims; they are not approved by FDA. For this reason, the law says that if a dietary supplement label includes such a claim, it must state in a “disclaimer” that FDA has not evaluated this claim. The disclaimer must also state that this product is not intended to “diagnose, treat, cure or prevent any disease,” because only a drug can legally make such a claim. For more information on dietary supplements, please visit

How do I learn more about Vitamin Angels?

Vitamin Angels is a nonprofit organization we proudly support. They provide lifesaving vitamins to mothers and children under five at risk of malnutrition reducing preventable illness, blindness, and death to create a healthier world. For millions of children around the world, reaching their full potential is limited by undernutrition suffered as a child. Without the right vitamins and minerals, their lives and futures are at risk. Consuming healthy and nutritious foods is essential to a child’s mental and physical development. Yet millions of children worldwide lack access to the nutrition their bodies and minds need to develop properly.
Learn more about Vitamin Angels.

Do you accept returns or refunds?

Yes. Prevagen offers a 30 Day Money Back Guarantee.