🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

2.35 Gram(s) Serving Size
127 Servings
Other Combinations Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1067 mg (1778% DV)
Calcium
202 mg (20% DV)
107 mg (27% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 107mg
Potassium
45 mg (1% DV)

Other Ingredients

Microcrystalline Cellulose

Label Claims — Verification

Nutrient
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, 1/2 heaping teaspoon in 8 to 12 ounces of liquid, between meals, or as directed by a healthcare practitioner.

⚠️ Warnings & Precautions

Although the elaborate process of producing cassava root source vitamin C has one step that involves the use of corn-derived alcohol, this formula is generally well tolerated by corn allergic individuals.

🧪 Formulation Notes

Buffered Vitamin C contains high-purity ascorbic acid buffered with carbonates of potassium, calcium, and magnesium.

Two teaspoons supply approximately the recommended dietary allowance of calcium and magnesium.

Hypoallegenic

These nutrients are the highest quality obtainable, and do not contain artificial additives.

Additional Information

Appropriate for most food-sensitive individuals.

Developed by Stephen A. Levine, Ph.D.

Cassava root source

Variations in product color may occur.

Keep in a cool, dry place, tightly capped.

Rev. 011

Product Details

UPC / SKU 7 13947 74270 3
DSLD Entry Date 2017-09-21
Product Type Other Combinations
Form Powder
DSLD ID 79060
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 →

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