Crystalline Calcium Citrate granules in a bowl, a highly bioavailable mineral for bone density and joint health.

Calcium Citrate

Also known as: Calcium 2-hydroxypropane-1,2,3-tricarboxylate, Citracal, Calcium citrate tetrahydrate, Calcium citric acid, Citrate of lime

Calcium citrate is a widely-used dietary supplement known for its role in providing calcium, an essential mineral crucial for various bodily functions. This supplement plays a significant part in building and maintaining strong bones and teeth by ensuring that the body has adequate calcium levels. An advantage of calcium citrate over other calcium supplements is its high absorption rate, which is effective even when the supplement is taken on an empty stomach. This characteristic makes it a preferred choice for those who may have digestive issues or for individuals on specific medications that...

Potential Side Effects

Side effects score: 3; Calcium citrate is generally well-tolerated, but common side effects may include gastrointestinal issues such as constipation, bloating, gas, and an upset stomach. In rare cases, it can cause elevated calcium levels in the blood, leading to symptoms like nausea, vomiting, or increased thirst.

Health Categories

View efficacy ratings for Calcium Citrate across multiple health categories.

Research & Evidence

Our efficacy ratings are based on scientific research and clinical studies.

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