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Ultimate Ascorbate C Powder

product on market Powder Source Naturals Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 29% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

Vitamin C, zinc, magnesium, and calcium are supported by strong evidence for immune function and bone health. These minerals and vitamins play essential roles in cellular metabolism and antioxidant defense. Research indicates these ingredients are generally safe and effective for maintaining nutritional status.

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

Label

Product Label

Label for Ultimate Ascorbate C Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

1.38 Gram(s)
Serving Size
164
Servings
Other Combinations
Product Type
29%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
1000 mg (1670% DV)
Calcium
60 mg (6% DV)
6 mg (2% DV)
Market median: 500.0mg (1 products) 316 studies (A:8, B:159)
8 mg (53% DV)
Within RDA (0.7× RDA) 263 studies (A:6, B:134)
1 mg (50% DV)
Within RDA (0.4× RDA) 9 studies — no high-quality reviews
Potassium
103 mg (3% DV)
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: 1 heaping 1/4 measuring teaspoon mixed in water or juice as desired, preferably with a meal.

Warnings & Precautions

Note: If you are pregnant, may become pregnant, or breastfeeding, consult with your health care professional before using this product.

Do not use if either tamper-evident seal is broken or missing.

Keep out of the reach of children.

Formulation Notes

Ultimate Ascorbate C Powder contains vitamin C as a blend of five mineral ascorbates.

Suitable for Vegetarians and Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat.

Suitable for Vegetarians and Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat.

Suitable for Vegetarians and Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

Additional Information

Vitamin C is an essential nutrient that functions as both a co-factor and antioxidant throughout the body. Vitamin C plays a vital role in collagen formation, amino acid metabolism, hormone synthesis, and the immune system.

SN0091 REV F171-A

Metadata

Product Details

UPC / SKU0 21078 00091 4
DSLD Entry Date2017-09-21
Product TypeOther Combinations
FormPowder
BrandSource Naturals
DSLD ID78614
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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Vitamin C research Best Vitamin C All Vitamin C products More from Source Naturals View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.