🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 14% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

1 Tablet(s) Serving Size
Other Combinations Product Type
14% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1668% DV)
Calcium
125 mg (12% DV)
📊 Market median: 500.0mg (283 products) 📚 173 studies (Tier A: 0, B: 62)
This product: 200mg
25 mg
📊 Market median: 500.0mg (19 products)
This product: 25mg
Hesperidin
25 mg
Rose Hips
25 mg
Acerola
25 mg

Other Ingredients

Magnesium Stearate Cellulose Vegetable Stearin Dicalcium Phosphate Silica

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, adults take one (1) tablet, one (1) to two (2) times daily with meals, or as directed by a health care professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Inter-Cal's exclusive manufacturing process provides a readily absorbable, non-acidic form of Vitamin C, unlike ascorbic acid which is highly acidic. Citrus Bioflavonoid Complex with Rutin and Hesperidin have been added for synergistic benefits.

Contains No Added sugar, salt, dairy, yeast, wheat, corn, soy, preservatives, artificial colors or flavors.

Ester-C 1000 mg With 200 mg Bioflavonoid Complex Per Tablet

Additional Information

QUALITY AND POTENCY GUARANTEED.

Vb

Store in a cool, dry place and away from direct light.

Product Details

DSLD Entry Date 2012-03-23
Product Type Other Combinations
Form Tablet or Pill
Brand Vitabase
DSLD ID 7080
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 →

Compare Similar Products

View all Vitamin C products →