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High Potency Ester-C 500 mg Vitamin C with Bioflavonoids

product on market Tablet or Pill Equaline 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 C and citrus bioflavonoids are widely studied for their roles in antioxidant support and immune function. There is strong evidence supporting the use of Vitamin C for overall health, though evidence for bioflavonoids is more moderate. The overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for High Potency Ester-C 500 mg Vitamin C with Bioflavonoids
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Other Combinations
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
500 mg (833% DV)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

Ester-C Calcium Ascorbate Citrus Bioflavonoids Complex Cellulose Stearic Acid Croscarmellose Sodium Crospovidone Calcium Carbonate Magnesium Stearate Corn Starch Silicon Dioxide Povidone Polyethylene Glycol Acacia
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Qualified Health
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Take one tablet daily with a full glass of water, preferably after a meal.

Warnings & Precautions

If pregnant, nursing or taking any medications, consult your healthcare professional before taking this product.

Keep out of the reach of children.

Formulation Notes

NO PRESERVATIVES ADDED NO LACTOSE NO ARTIFICIAL COLOR OR FLAVOR NO GLUTEN

High Potency Ester-C 500 mg Vitamin C With Bioflavonoids

Additional Information

Keep in a cool dry place, tightly closed.

FRESHNESS AND POTENCY GUARANTEED THROUGH:

QUALITY Promise We are committed to your satisfaction and guarantee the quality of this product.

Ester-C(R) promotes maximum intracellular concentrations of vitamin C. This enhances the healthful benefits of vitamin C.* Bioflavonoids help neutralize damaging free radicals and enhance the antioxidant benefits of vitamin C.* Some scientific evidence suggest that consumption of antioxidant vitamins may reduce the risk of certain forms of cancer. However FDA has determined that this evidence is limited and not conclusive.

No artificial colors have been added to this formula, the product may vary in color.

Manufactured under U.S. Patent Nos. 4,822,816 and 5,070,085 and corresponding foreign patents. Other patents pending.

immune health

enhanced antioxidant protection, boosts immune system, gentle on digestive system*

QUALITY Promise We are committed to your satisfaction and guarantee the quality of this product.

USP has tested and verified ingredients, potency, and manufacturing process. USP sets official standards for dietary supplements. See www.uspverified.org

EAL30330A06

Metadata

Product Details

UPC / SKU0 41163 26611 7
DSLD Entry Date2012-04-26
Product TypeOther Combinations
FormTablet or Pill
DSLD ID7462
Data Updated2026-04-11
Research

Research Evidence

371
Research Sources
54
Avg Quality
148
Meta Analysis
82
Systematic Review
71
Rct
62
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Narrative Review
1
Other
1
Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024 PubMed DOI
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021 PubMed DOI
View all evidence for Vitamin C →
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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.