Vitamin C 1000 mg

product on market Tablet or Pill CHK Nutrition 🟢 Safety: 100/100
Brand: CHK Nutrition
🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Tablet(s) Serving Size
Vitamin Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)

Other Ingredients

Stearic Acid Ethylcellulose Silicon Dioxide Magnesium Stearate Cellulose Dicalcium Phosphate Vegetable Coating

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: Take 1 tablet daily with a meal.

⚠️ Warnings & Precautions

Note: If you have any health conditions or are taking any medications, consult your health care practitioner before using this product.

Keep out of reach of children.

Additional Information

Store in a cool, dry place.

Manufactured in a cGMP certified facility.

Made in USA from domestic and foreign materials

Post consumer recycled bottle

New day. Fresh start. Better health. Sustained release High potency

P444

Product Details

UPC / SKU 8 71230 00444 7
DSLD Entry Date 2018-03-23
Product Type Vitamin
Form Tablet or Pill
Brand CHK Nutrition
DSLD ID 174282
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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