Calcium
Vitamins & MineralsCAS: 7440-70-2
This is what the ingredient is.
Calcium is an essential mineral for bone health, muscle function, and nerve signaling. Added to fortify foods.
Here is why it shows up on the label.
It works as a nutrient fortifier. Added to orange juice, cereals, and plant milks.
Here is what food agencies say.
US agencies treat it as an essential nutrient. European food agencies note: UL of 2500 mg/day for adults.
Here is what research has found.
Essential for bone health. Adequate intake important throughout life.
Here are a few things worth knowing.
High supplemental doses may increase kidney stone risk and possibly cardiovascular events. Food sources preferred.
Sources
- FDA
- NIH ODS
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.
v1.0Updated 9/12/2026