🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 33% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

2 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
33% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)
Calcium
190 mg (19% DV)
104 mg (26% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 104mg

Other Ingredients

Hydroxypropyl Methylcellulose Microcrystalline Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) No Allergies

Product Information

📋 Directions for Use

Suggested Use As a dietary supplement, 2 capsules two to three times daily 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

This nutrient is of the highest quality and purity obtainable, and does not contain preservatives, diluents, or artificial additives.

Cassava source Buffered Vitamin C Capsules contains high-purity ascorbic acid buffered with carbonates of calcium and magnesium.

Appropriate for most food-sensitive individuals.

hypoallergenic

Additional Information

Rev. 009

Cassava Root Source

Developed by Stephen A. Levine, Ph.D.

Keep in a cool, dry place, tightly capped.

Product Details

UPC / SKU 7 13947 75010 4
DSLD Entry Date 2015-12-23
Product Type Other Combinations
Form Capsule
DSLD ID 54371
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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