NutriCology Esterol Ester-C, 200 Capsules supplement bottle
NutriCology

Esterol Ester-C, 200 Capsules

What We Researched
5 active ingredients analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
72
Product Score Fair
88
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Calcium Ascorbate) 1350 mg 2250%
Calcium (as Calcium Ascorbate) 150 mg 15%
Rutin 100 mg *
Quercetin 50 mg *
Proanthocyanidins 5 mg *
Bioavailability Good

Absorption Rating

  • Vitamin C (as Calcium Ascorbate) Good
  • Calcium (as Calcium Ascorbate) Good
  • Rutin Fair
  • Quercetin Fair
  • Proanthocyanidins Fair
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Magnesium Stearate
  • Silicon Dioxide
Efficacy Poor

Dosage Analysis

  • Vitamin C (as Calcium Ascorbate) 1350 mg Effective
  • Calcium (as Calcium Ascorbate) 150 mg Under-dosed
  • Rutin 100 mg Under-dosed
  • Quercetin 50 mg Under-dosed
  • Proanthocyanidins 5 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Calcium Ascorbate) 1350 mg 2250%
Calcium (as Calcium Ascorbate) 150 mg 15%
Rutin 100 mg *
Quercetin 50 mg *
Proanthocyanidins 5 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$61$60$59$58$57 Mar 12 $59.29
Vitacost

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

Brand Trust Report
NutriCology

Founded 1979 · Salt Lake City, UT, USA · 55 products · nutricology.com/

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

2 incidents
Prop 65 Lead2011-01-14Source
Lawsuit Failure to provide clear and reasonable warnings regarding exposure to lead in various supplement products.2011Source
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Frequently Asked Questions
Is NutriCology Esterol Ester-C, 200 Capsules a good supplement?

NutriCology Esterol Ester-C, 200 Capsules received a product quality score of 72/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 5 active ingredients with 100 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NutriCology, holds a brand trust score of 88/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in NutriCology Esterol Ester-C, 200 Capsules?

NutriCology Esterol Ester-C, 200 Capsules contains 5 active ingredients: Vitamin C (as Calcium Ascorbate) (1350 mg), Calcium (as Calcium Ascorbate) (150 mg), Rutin (100 mg), Quercetin (50 mg), Proanthocyanidins (5 mg). Notable high-dose ingredients include Vitamin C at 2250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NutriCology Esterol Ester-C, 200 Capsules safe to take?

NutriCology Esterol Ester-C, 200 Capsules has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NutriCology a trustworthy supplement brand?

NutriCology receives a brand trust score of 88/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, UT, USA, the company offers 55 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NutriCology has 2 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.