Ester-C

product on market Tablet or Pill Kala Health 🟢 Safety: 100/100
Brand: Kala Health
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

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

Supplement Facts — Evidence Check

Ester-C
1000 mg
790 mg (990% DV)
📊 8.8× RDA — above typical dose (UL: 2000 mg) 📚 245 studies (Tier A: 6, B: 97)
RDA 90mg This product: 790mg UL 2000mg
Calcium
90 mg (11% DV)
100 mg
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 100mg

Other Ingredients

Vitamin C Microcrystalline Cellulose Rice Extract Rice Concentrate Hydroxypropyl Methylcellulose Stearic Acid Glycerin Carnauba Wax

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) Children (All) Gluten Free Sugar Free

Product Information

📋 Directions for Use

Recommended dosage: Adults take one tablet per day, or as recommended. For children adapt dosage according to body weight. Best taken with meals. Do not exceed the recommended dosage. Do not take if product has expired.

⚠️ Warnings & Precautions

Do not exceed the recommended dosage. Do not take if product has expired.

Storage: Store in a cool, dark, dry place, out of reach of children.

A food supplement should not be used as a substitute for a varied diet.

🧪 Formulation Notes

Ester-C is a patented form of pH-neutral vitamin C (Calcium ascorbate) and natural metabolites.

Food Supplement, containing vitamin C and bioflavonoids.

Ester-C with Citrus Bioflavonoids

Free of: Sugar, yeast, starch, gluten, artificial flavors, colors or preservatives.

Additional Information

%RI = Reference Intake

Storage: Store in a cool, dark, dry place, out of reach of children.

Product Details

UPC / SKU 8 719322 754523
DSLD Entry Date 2024-07-25
Product Type Other Combinations
Form Tablet or Pill
Brand Kala Health
DSLD ID 311297
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
PubMed DOI Cochrane
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
PubMed DOI Cochrane
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
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 Cochrane
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
PubMed DOI Cochrane
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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