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Ultra Potent-C 1000

product on market Tablet or Pill Metagenics Safety: 97/100
97/100

This product looks safe

  • Niacin: 70mg is 2.0× the Tolerable Upper Intake Level (35mg)
  • 27% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Vitamin C and L-lysine are supported by moderate evidence for promoting immune function and collagen synthesis. Niacin and calcium contribute to metabolic processes and bone health, respectively. Overall, the evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Niacin: 70mg is 2.0× the Tolerable Upper Intake Level (35mg)

Label

Product Label

Label for Ultra Potent-C 1000
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
90
Servings
Other Combinations
Product Type
27%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
1000 mg (1111% DV)
70 mg (438% DV)
Exceeds UL by 2.0× (UL: 35 mg) 196 studies (A:5, B:63)
Calcium
40 mg (3% DV)
Sodium
10 mg (1% DV)
33 mg
Market median: 500.0mg (159 products)
Market median: 500.0mg (283 products) 174 studies (A:0, B:62)
Market median: 99.0mg (503 products) 13 studies (A:0, B:3)
Alpha D-Ribofuranose
13 mg
Xylitol
9 mg
L-Cysteine
8 mg
L-Glutathione
5 mg

Other Ingredients

Calcium Carbonate Niacinamide Ascorbate Ascorbic Acid Sodium Ascorbate Magnesium Ascorbate L-Lysine Hydrochloride Ascorbyl Palmitate Citrus Bioflavonoid Complex Potassium Ascorbate Tetrasodium Pyrophosphate Alpha D-Ribofuranose L-Cysteine Hydrochloride Xylitol L-Glutathione Microcrystalline Cellulose Croscarmellose Sodium Silica Magnesium Stearate Stearic Acid Hypromellose Medium Chain Triglycerides Hydroxypropylcellulose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: take one tablet up to two times daily or as directed by your healthcare practitioner.

Warnings & Precautions

Caution: keep out of the reach of children.

Practitioner exclusive

Formulation Notes

Ultra Potent-C 1000 is a proprietary formulation designed to be gentle on the stomach and well-tolerated at high doses. Our vitamin C has been scientifically developed to enhance the absorption of vitamin C by white blood cells, a vital part of your immune system, when compared to ascorbic acid.

This product is non-GMO, gluten-free and vegetarian.

This product is non-GMO, gluten-free and vegetarian.

Stomach-friendly vitamin C for immune support

Certified Gluten Free GFCO.org (Gluten-Free Certification Organization)

Additional Information

Storage: keep tightly closed in a cool, dry place.

Certified Gluten Free GFCO.org (Gluten-Free Certification Organization)

Metadata

Product Details

UPC / SKU7 55571 03061 0
DSLD Entry Date2023-08-23
Product TypeOther Combinations
FormTablet or Pill
DSLD ID295870
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
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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.