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Buffered Vitamin C

product on market Capsule Allergy Research Group Safety: 100/100
100/100

This product looks safe

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

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C is supported by strong evidence for immune function and antioxidant support. Calcium and magnesium are well-researched minerals essential for bone health and neuromuscular regulation. Together, these ingredients provide a buffered delivery system to reduce acidity.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

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

Label Data

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

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)
Calcium
190 mg (19% DV)
104 mg (26% DV)
Within RDA (0.2× RDA) 316 studies (A:8, B:159)

Other Ingredients

Hydroxypropyl Methylcellulose Microcrystalline Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

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.

Metadata

Product Details

UPC / SKU7 13947 75010 4
DSLD Entry Date2015-12-23
Product TypeOther Combinations
FormCapsule
DSLD ID54371
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.