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Calcium Ascorbate

product on market Powder NOW Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade
Label

Product Label

Label for Calcium Ascorbate
Open Full PDF View on NIH DSLD →
Details

Label Data

0.25 tsp
Serving Size
1215
Servings
Single Vitamin and Mineral
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin C
890 mg (1483% DV)
Calcium
100 mg (10% DV)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

SUGGESTED USAGE: As a dietary supplement, take 1/4 level teaspoon one to three times daily. Consider taking this product in combination with NOW(R) Bioflavonoids, Alpha Lipoic Acid and Enzogenol(R).

Formulation Notes

100% Pure Buffered Vitamin C Powder

Vegetarian Product

Contains no sugar, salt, starch, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Vegetarian/Vegan Product.

Additional Information

Calcium Ascorbate is an optimal nutritional supplement that combines Ascorbic Acid (Vitamin C) with Calcium Carbonate. By combining these two dietary ingredients, we have created a buffered source of Vitamin C that will not contribute to gastric irritation in sensitive persons.

Store in a cool, dry place.

Please Recycle.

ANTIOXIDANT PROTECTION*

GMP QUALITY ASSURED

Made in the U.S.A.

This product is sold by weight not volume.

CODE 0754 V2

Metadata

Product Details

UPC / SKU7 33739 00754 4
DSLD Entry Date2012-10-25
Product TypeSingle Vitamin and Mineral
FormPowder
BrandNOW
DSLD ID14472
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.