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Prevagen Extra Strength

product on market Capsule Quincy Bioscience Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin D supports cognitive function and bone health, while apoaequorin is marketed for brain health. However, there is limited clinical evidence to support the efficacy of apoaequorin for cognitive improvement. The overall evidence coverage for this specific ingredient profile is very low.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Prevagen Extra Strength
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
60
Servings
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mcg (250% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
Apoaequorin
20 mg

Other Ingredients

Microcrystalline Cellulose Vegetable Capsule Maltodextrin Casein Peptones Lactose Magnesium Stearate Modified Corn Starch Salt Soy Peptones Sugar
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

One capsule daily

Suggested use: Take one capsule daily in the morning, with or without food.

Only one capsule per day

Warnings & Precautions

Contains: Milk and soy Contains a bioengineered food ingredient.

Formulation Notes

Improves memory Based on a clinical study of subgroups of individuals who were cognitively normal or mildly impaired. Supports: Healthy brain function Sharper mind Clearer thinking

Prevagen Extra Strength is designed to have twice the apoaequorin as Prevagen Regular Strength. Prevagen Extra Strength is formulated with apoaequorin, which uniquely supports brain function.

Safe and clinically tested ingredient

In a computer-assessed, doubled-blinded, placebo-controlled clinical study, Prevagen improved certain aspects of cognitive function over a 90 day period.

Originally discovered in jellyfish, Prevagen is now produced in a controlled scientific process.

Now with Vitamin D.

Additional Information

60 day supply

Full 60 day supply

Questions? Call 888.565.5385 or visit www.prevagen.com

Metadata

Product Details

DSLD Entry Date2023-07-18
Product TypeOther Combinations
FormCapsule
BrandQuincy Bioscience
DSLD ID293710
Data Updated2026-04-11
Research

Research Evidence

872
Research Sources
53
Avg Quality
309
Meta Analysis
309
Clinical Trial
111
Rct
71
Systematic Review
55
Guideline
4
Cochrane Review
4
Regulatory Source
2
Other
2
Narrative Review
2
Observational
1
Openfda Safety
A Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D and vitamin D analogues for preventing fractures in post-menopausal women and older men
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Vitamin D supplementation for prevention of cancer in adults
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Interventions for preventing falls in older people in care facilities and hospitals
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Drugs for preventing lung cancer in healthy people
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin D supplementation for prevention of mortality in adults
Meta Analysis The Cochrane database of systematic reviews 2011 PubMed DOI
A High prevalence of vitamin D deficiency in Asia: A systematic review and meta-analysis
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A The effect of vitamin D supplementation on depressive symptoms in adults: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2023 PubMed DOI
A Interventions for preventing falls in older people living in the community
Meta Analysis The Cochrane database of systematic reviews 2009 PubMed DOI
View all evidence for Vitamin D →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.