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Vitamin C

product on market Powder Isotonix 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 Vitamin C
Open Full PDF View on NIH DSLD →
Details

Label Data

3.3 Gram(s)
Serving Size
30
Servings
Other Combinations
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calories
10 Calorie(s)
Total Carbohydrates
2 Gram(s) (1% DV)
Vitamin A
240 mcg RAE (27% DV)
Vitamin C
500 mg (556% DV)
Potassium
100 mg (2% DV)

Other Ingredients

Fructose Glucose Maltodextrin Malic Acid Orange flavor Silica Citric Acid Stearic Acid
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions for use: Pour 1 level, white bottle capful of powder into the overcap. Add water to the line on the overcap (2 fl oz/60 mL) and stir. As a dietary supplement, take once daily or as directed by your healthcare provider. Maximum absorption occurs when taken on an empty stomach. This product is isotonic only if the specified amounts of powder and water are used.

Warnings & Precautions

Warning: If you are currently using prescription drugs, have an ongoing medical condition, or are pregnant or breastfeeding, consult your healthcare provider before using this product.

Keep out of the reach of children.

Do not use if safety seal is broken or missing.

Resale on third-party websites is strictly prohibited unless specifically authorized by Market America or its corporate affiliates. If barcodes are altered or you purchase this product from an unauthorized third-party website, the product is not guaranteed by Market America or its corporate affiliates.

Formulation Notes

Provides antioxidant protection Supports a healthy immune system Promotes skeletal, muscle, cardiovascular and skin health Helps maintain healthy cholesterol levels Promotes normal regulation of heart functions

Maximum absorption occurs when taken on an empty stomach. This product is isotonic only if the specified amounts of powder and water are used.

This vegan product contains no added wheat, soy, yeast, gluten, artificial flavor, salt, preservatives or milk.

Gluten free

Vegan

Additional Information

Store in a cool, dry place.

Vegan

Metadata

Product Details

UPC / SKU8 48570 00688 2
DSLD Entry Date2024-07-25
Product TypeOther Combinations
FormPowder
DSLD ID313416
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
View all evidence for Vitamin C →
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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.