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C-Ultratabs

product on market Tablet or Pill Metagenics Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 20% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C, calcium, magnesium, and potassium are well-studied nutrients that support immune function, bone health, and electrolyte balance. There is strong research evidence for these individual components, although overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score.

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

Label

Product Label

Label for C-Ultratabs
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
90
Servings
Other Combinations
Product Type
20%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1667% DV)
Calcium
65 mg (7% DV)
35 mg (9% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
Sodium
30 mg (1% DV)
Potassium
15 mg (1% DV)

Other Ingredients

Cellulose Microcrystalline Cellulose Stearic Acid Croscarmellose Sodium Silica Coating
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS: Take one tablet daily or as directed by your healthcare practitioner.

Warnings & Precautions

CAUTION: Keep out of the reach of children.

Formulation Notes

Formulated to Exclude: Wheat, gluten, corn protein, soy, animal or dairy products, nuts, tree nuts, fish, crustacean shellfish, colors, artificial sweeteners, and preservatives.

Non-acidic, Electrolyte Enhanced Vitamin C

Vegetarian

Additional Information

0310026 3/12 PROD CULTT

Genetic Potential Through Nutrition

Stomach Friendly

STORAGE: Keep tightly closed in a cool, dry place.

In addition to its well known function as an antioxidant nutrient, vitamin C plays an importatn role in immune function and collagen production. Collagen is found in tissues throughout the body, including skin, bones, and teeth. The vitamin C in C-Ultratabs is non-acidic to reduce the risk of gastrointestinal upset sometimes associated with high vitamin C intake.

Metadata

Product Details

DSLD Entry Date2013-10-25
Product TypeOther Combinations
FormTablet or Pill
DSLD ID26719
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.