E333 - Calcium Citrates

Author: Victoria Aly Time for reading: ~1 minutes Last Updated: January 27, 2026

CHAPTERS (Table Of Contents)

Characteristics: Calcium citrates E 333 (Monocalcium Citrate, Calcium Citrates, Dicalcium Citrate) are calcium salts of citric acid. The supplement is an antioxidant, used as

Characteristic

Calcium citrates E 333 (Monocalcium Citrate, Calcium Citrates, Dicalcium Citrate) are calcium salts of citric acid. The supplement is an antioxidant, used as an acidity regulator, stabilizer. Its taste is sour, it is a white powder with good solubility in water. The food supplement is the result of a reaction between calcium hydroxide and citric acid.

Calcium citrate is approved for use in many countries around the world because there is no information about its harm.

Use

E 333 is used in various fields:

In the food industry - as a color-fixing agent, preservative, stabilizer, acidity regulator. In the role of stabilizer is used in the production of condensed and powdered milk, processed cheese. As an acid regulator - in canned fruits, jellies, jams, desserts. Dairy and sour milk products often contain E 333, because in this way they are additionally enriched with calcium. For the same purpose the additive is used in pastries, bread, soft drinks.
In medicine - it plays an important role, supplies the body with calcium, given that the supplement is more effective than calcium carbonate E 170. It is present in many biochemical supplements.

Impact on humans

Calcium citrate is recognized as one of the best sources of digestible calcium, without which many processes in the body are impossible, among them blood clotting and enzymatic processes. In many countries, calcium citrate is included in baby food, formula, porridge and pasta to supplement the child's body with calcium. In adults it is needed to regulate and stabilize blood pressure.

Studies show that the substance has a high potential to prevent bowel damage from cancer cells and other forms of cancer. E 333 helps to remove heavy metals from the body.

There is no information on the adverse effects of the substance on the human body and there is no set maximum allowable daily dose.

E333 - Calcium Citrates

CHAPTERS (Table Of Contents)

Characteristic

Use

Impact on humans

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