Metagenics Quercetin, Immunity & Heart Health, 500 mg, 60 Capsules supplement bottle
Metagenics

Quercetin, Immunity & Heart Health, 500 mg, 60 Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 7 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
87
Product Score Good
93
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Quercetin 500 mg **
Bioavailability Fair

Absorption Rating

  • Quercetin Fair
Other Ingredients Excellent

Fillers & Additives

  • Capsule (Hydroxypropylmethylcellulose)
  • Microcrystalline Cellulose
  • Magnesium Stearate (Vegetable)
  • Silica
Efficacy Excellent

Dosage Analysis

  • Quercetin 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Quercetin 500 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Capsule (Hydroxypropylmethylcellulose) Safe

It is used to encapsulate the supplement ingredients.

Microcrystalline Cellulose Safe

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

Magnesium Stearate (Vegetable) Generally_safe

It prevents ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $56.10 $0.94 / serving
Best Price

Price History

Tracked across major retailers. Updated periodically.

$58$57$56$55$54 Mar 12 $56.10
iHerb

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

Brand Trust Report
Metagenics

Founded 1983 · Aliso Viejo, California, United States · 185 products · metagenics.com

Certifications

7 certifications
B Corp Certified Verified Source
Consumerlab Verified
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
Usp Verified Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
In House Testing — Verified Source

Violation History

3 incidents
Fda Warning A structure/function claim for 'Metagenics HerWellness Naturally Balanced' was deemed by the FDA to suggest the product is intended for use as a drug.2025-02-07Source
Prop 65 Lead2019-05-30Source
Fda Warning Mislabeling of 14 products as medical foods and making unapproved new drug claims.2013-08-13Source
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Frequently Asked Questions
Is Metagenics Quercetin, Immunity & Heart Health a good supplement?

Metagenics Quercetin, Immunity & Heart Health, 500 mg, 60 Capsules received a product quality score of 87/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 1 active ingredients with 60 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Metagenics, holds a brand trust score of 93/100 with 7 verified certifications including B Corp Certified, Consumerlab, Gluten Free Gfco, Non Gmo Project.

What are the ingredients in Metagenics Quercetin, Immunity & Heart Health?

Metagenics Quercetin, Immunity & Heart Health contains 1 active ingredients: Quercetin (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Metagenics Quercetin, Immunity & Heart Health safe to take?

Metagenics Quercetin, Immunity & Heart Health, 500 mg, 60 Capsules 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.

Is Metagenics a trustworthy supplement brand?

Metagenics receives a brand trust score of 93/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1983 and headquartered in Aliso Viejo, California, United States, the company offers 185 products in their lineup. They hold 7 verified certifications including B Corp Certified, Consumerlab, Gluten Free Gfco, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Metagenics has 3 historical regulatory incidents on record, which are factored into the trust score.

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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.