Quincy Bioscience Prevagen Extra Strength supplement bottle
Quincy Bioscience

Prevagen Extra Strength

What We Researched
2 active ingredients analyzed · 10 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
93
Product Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Vitamin D3) 50 mcg 250%
Apoaequorin 20 mg †
Bioavailability Very Good

Absorption Rating

  • Vitamin D (as Vitamin D3) Good
  • Apoaequorin Fair
Other Ingredients Excellent

Fillers & Additives

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

Dosage Analysis

  • Vitamin D (as Vitamin D3) 50 mcg Effective
  • Apoaequorin 20 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Vitamin D3) 50 mcg 250%
Apoaequorin 20 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Vegetable Capsule Safe

It is used as a vegetarian alternative to gelatin capsules.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Casein Peptones Unknown
Lactose Generally_safe

It is used as a filler or binder.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Modified Corn Starch Generally_safe

It is used as a thickener or binder.

Salt Safe

It is used as a flavoring agent.

Soy Peptones Unknown
Sugar Generally_safe

Adds sweetness to chewable or gummy supplements.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Quincy Bioscience

· 3 products

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Frequently Asked Questions
Is Quincy Bioscience Prevagen Extra Strength a good supplement?

Quincy Bioscience Prevagen Extra Strength received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 30 servings per container. Of the 10 inactive ingredients, 4 are rated safe and 0 are flagged for review.

What are the ingredients in Quincy Bioscience Prevagen Extra Strength?

Quincy Bioscience Prevagen Extra Strength contains 2 active ingredients: Vitamin D (as Vitamin D3) (50 mcg), Apoaequorin (20 mg). Notable high-dose ingredients include Vitamin D at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Quincy Bioscience Prevagen Extra Strength safe to take?

Quincy Bioscience Prevagen Extra Strength has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.