🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Vegetarian Tablet(s) Serving Size
225 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
Calcium
110 mg (8% DV)
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 400mg

Other Ingredients

Vegetable Cellulose Calcium Silicate Stearic Acid Vegetable Magnesium Stearate natural Palm leaf glaze

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: For adults, take two (2) vegetarian tablets once 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 breakthrough patented Vitamin C formula supported with naturally occurring metabolites. Metabolites help enhance the retention of Vitamin C by your white blood cells, an important part of your immune system. Ester-C is water-based manufacturing process neutralizes pH, making it non-acid and gentle on the stomach. In a daily 1,000 mg dose, Ester-C delivers 24-hour immune support...so once a day is all you need. Added Citrus Bioflavonoids may help your body better absorb and utilize Vitamin C.

No gluten, no yeast, no wheat, no milk or milk derivatives, no lactose, no soy, no egg, no grapefruit, no sugar, no starch no artificial color, no artificial flavor, no sodium. Non-GMO

Suitable for Vegans

Non-acidic Gentle and non-acidic

unique Vitamin C formula

Vegetarian

500 mg with Citrus Bioflavonoids

24-Hour immune support

Additional Information

Store at room temperature.

Product Details

UPC / SKU 0 76630 16956 1
DSLD Entry Date 2020-12-26
Product Type Other Combinations
Form Tablet or Pill
DSLD ID 241575
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
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
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
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
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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