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Ester C 9444 mg

product on market Capsule SuperSmart Safety: 60/100
60/100

Review before taking

  • Ascorbic Acid: 7200mg is 3.6× the Tolerable Upper Intake Level (2000mg)
  • 100% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Ascorbic acid is well-documented for its role in antioxidant support and collagen synthesis, with strong research evidence supporting these functions. However, the limited evidence coverage for this specific formulation and a safety score of 60 suggest potential concerns regarding dosage or purity. Users should be aware of these factors when considering supplementation.

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

Alerts

Safety Alerts

Ascorbic Acid: 7200mg is 3.6× the Tolerable Upper Intake Level (2000mg)

AI-generated · Qwen 3.6 · grounded in 2 sources · methodology

This product received a low safety score because it contains 7,200mg of Ascorbic Acid, which is more than three times the recommended daily upper limit.

Label

Product Label

Label for Ester C 9444 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Vegetarian Capsule(s)
Serving Size
10
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

7200 mg (9000% DV)
Exceeds UL by 3.6× (UL: 2000 mg) 250 studies (A:6, B:97)

Other Ingredients

Acacia Gum
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

Product Information

Directions for Use

Recommended Use: Adults. Take between one and four vegetarian capsules, one to three times a day.

Warnings & Precautions

Precautions: Do not exceed the recommended daily dose. This product is a nutritional supplement and should not replace a varied, balanced diet.

Keep out of children's reach.

As with any nutritional supplement, you should consult a health professional before taking this product if you are pregnant, breastfeeding or have a health problem.

Formulation Notes

Ester C - Ester C Company

Non-acidic form

Ester C 9444 mg per day

Each vegetarian capsule contains 787 mg Ester C providing 600 mg of ascorbic acid (vitamin C).

Additional Information

Store away from direct light, heat and humidity.

Metadata

Product Details

UPC / SKU5 453003 823544
DSLD Entry Date2024-07-25
Product TypeVitamin
FormCapsule
DSLD ID315566
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
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A Vitamin E supplementation in pregnancy
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A Vitamin C supplementation for prevention and treatment of pneumonia
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A Vitamin C supplementation for prevention and treatment of pneumonia
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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
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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.