Safe
E333 — Calcium citrates
Acidity regulator
E333 (Calcium citrates), a acidity regulator, is rated "safe": no significant concern. The calcium salts of citric acid. Used as a firming agent, calcium source, and acidity controller. Common in fortified foods and supplements.
What is Calcium citrates?
The calcium salts of citric acid. Common in cheese-making, fortified juices, calcium supplements, and canned vegetables.
What does it do to the body?
Provides calcium your body uses normally. Better absorbed on an empty stomach than some other calcium forms. No safety concern at food levels.
What regulators say
EFSA and the FDA both treat it as a safe additive with no numerical limit.
Risk rating: Safe
Cleared by EFSA with no significant concern at typical dietary exposure. Common, well-studied, and not a reason to put a product back on the shelf.
Frequently asked questions
Is E333 (Calcium citrates) safe?
EFSA and the FDA both treat it as a safe additive with no numerical limit.
What is E333 (Calcium citrates)?
The calcium salts of citric acid. Common in cheese-making, fortified juices, calcium supplements, and canned vegetables.
What does Calcium citrates do to the body?
Provides calcium your body uses normally. Better absorbed on an empty stomach than some other calcium forms. No safety concern at food levels.
What are other names for E333?
E333 is also known as calcium citrate, calcium citrates.