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C 1000 mg Buffered

product on market Tablet or Pill KAL Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for C 1000 mg Buffered
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Single Vitamin and Mineral
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)
Calcium
150 mg (15% DV)

Other Ingredients

Stearic Acid Cellulose Silica Magnesium Stearate
Claims

Label Claims — Verification

Unverified Nutrient
Info

Product Information

Directions for Use

1 Daily

Directions: Take 1 tablet daily with a meal or glass of water.

Formulation Notes

KAL C-1000 is a vegetarian formula offered in sustained release tablets.

Rich in antioxidant Vitamin C.

Additional Information

Since 1932

Innovative quality

Sustained release

Antioxidant rich

Store in a cool, dry place.

Discussion: Vitamin C provides nutritive support for maintaining normal, healthy blood vessel and tissue integrity.

KAL Guarantees that no ingredient other than those listed on this label have been added to this product.

Metadata

Product Details

DSLD Entry Date2016-10-22
Product TypeSingle Vitamin and Mineral
FormTablet or Pill
BrandKAL
DSLD ID65908
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
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
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
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
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.