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Ester-C Liquid With Citrus Bioflavonoids Berry Flavor

product on market Liquid American Health Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 20% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and citrus bioflavonoids are supported by strong evidence for their roles in antioxidant support and immune function. Calcium is well-documented for maintaining bone health and supporting neuromuscular transmission. Research indicates these ingredients are generally safe and effective when consumed within recommended daily limits.

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

Label

Product Label

Label for Ester-C Liquid With Citrus Bioflavonoids Berry Flavor
Open Full PDF View on NIH DSLD →
Details

Label Data

15 mL
Serving Size
15
Servings
Other Combinations
Product Type
20%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
30 Calorie(s)
Total Carbohydrates
8 Gram(s) (3% DV)
Vitamin C
250 mg (278% DV)
Calcium
40 mg (3% DV)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)

Other Ingredients

purified Water Fructose Malic Acid Natural Flavors natural Caramel color Potassium Sorbate Sodium Benzoate Rosemary extract
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Shake well before using. For adults, take one (1) tablespoon four times daily, preferably with a meal.

Warnings & Precautions

Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Keep out of reach of children.

Do not use if seal under cap is broken or missing.

Formulation Notes

Ester-C is a unique, breakthrough Vitamin C formula containing naturally occurring metabolites. Metabolites help enhance the retention of Vitamin C by your white blood cells, an important part of your immune system.

And, because Ester-C absorbs into your immune system and stays there, 1,000 mg daily delivers the 240 hour immune support and potent antioxidant activity you can depend on.

No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no starch, no artificial flavor.

Suitable for vegans

Unique vitamin C formula 250 mg per serving with Citrus bioflavonoids

Vegetarian

24-hour immune support

Additional Information

Store unopened container at room temperature.

Refrigerate after opening.

Metadata

Product Details

UPC / SKU0 76630 17029 1
DSLD Entry Date2021-05-22
Product TypeOther Combinations
FormLiquid
DSLD ID248907
Data Updated2026-04-11
Research

Research Evidence

184
Research Sources
55
Avg Quality
91
Systematic Review
75
Meta Analysis
7
Rct
7
Clinical Trial
2
Cochrane Review
1
Openfda Safety
B Treatment of gouty arthritis with traditional Chinese medicine decoction: Meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2024 PubMed DOI
B Effects of quercetin supplementation on lipid profile: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2017 PubMed
B Dietary polyphenols and the risk of metabolic syndrome: a systematic review and meta-analysis
Meta Analysis BMC endocrine disorders 2024 PubMed DOI
B Quercetin and endurance exercise capacity: a systematic review and meta-analysis
Meta Analysis Medicine and science in sports and exercise 2011 PubMed DOI
B Dietary flavonoid intake and smoking-related cancer risk: a meta-analysis
Meta Analysis PloS one 2013 PubMed DOI
B Clinical efficacy evaluation and potential mechanism prediction on Guizhi-Shaoyao-Zhimu decoction in the treatment of gouty arthritis based on meta-analysis, network pharmacology analysis, and molecular docking
Meta Analysis Medicine 2023 PubMed DOI
B A Systematic Review: Quercetin-Secondary Metabolite of the Flavonol Class, with Multiple Health Benefits and Low Bioavailability
Systematic Review International journal of molecular sciences 2024 PubMed DOI
B Dietary flavonoid for preventing colorectal neoplasms.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B Flavonoids for treating venous leg ulcers.
Cochrane Review The Cochrane database of systematic reviews PubMed DOI
B The effects of quercetin supplementation on lipid profiles and inflammatory markers among patients with metabolic syndrome and related disorders: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Critical reviews in food science and nutrition 2020 PubMed DOI
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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.