Calcium Ascorbate


Calcium ascorbate is created through the combination of ascorbic acid and calcium salt. This process yields a compound that combines the health benefits of vitamin C with the essential mineral calcium, offering a dual advantage in nutritional supplementation.

Also Known As

Calcium ascorbate is known by several other names, reflecting its chemical composition and its use as a dietary supplement. These include:

  • Calcium diascorbate
  • Calcium L-ascorbate
  • Hemicalcium ascorbate
  • Calci-C
  • E 302


Calcium ascorbate is primarily used as a dietary supplement. Its application extends beyond supplementation; it’s also utilized in the food industry as an antioxidant and a preservative, helping to maintain the color and flavor of food products. Additionally, it is found in various health and wellness products, catering to those needing a less acidic form of vitamin C.


Calcium ascorbate stands out as a beneficial form of vitamin C, particularly suited for individuals seeking to supplement their diet without the acidity commonly associated with ascorbic acid. This attribute makes it an excellent choice for those with sensitive stomachs or those who are severely ill and need a gentler vitamin C source.

Key points include:

  • Combines benefits of vitamin C and calcium
  • Less acidic, making it suitable for sensitive stomachs
  • Used as a dietary supplement and food preservative

Common Dosage

The common dosage for calcium ascorbate typically ranges from 1 to 3 grams daily. This dosage can provide the vitamin C needed to support general health, immune function, and collagen synthesis without the harshness on the stomach associated with higher acidity forms.


Calcium ascorbate offers a less acidic alternative to traditional vitamin C supplements, combining the benefits of ascorbic acid with calcium to support overall health. It is suitable for individuals with dietary restrictions or those with sensitive digestive systems. Key highlights include:

  • A gentle form of vitamin C suitable for sensitive stomachs
  • Provides the combined benefits of vitamin C and calcium
  • Commonly used as a dietary supplement and food preservative

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