Most people aren't getting enough calcium. In fact, a 2022 article published in the Annals of the New York Academy of Sciences acknowledges calcium deficiency as a global concern that may be contributing to an increased incidence of heart disease and cancer. (And those are two of the leading causes of death in the United States, according to the U.S. Centers for Disease Control and Prevention .) In the U.S. specifically, 42% of individuals aren't meeting the daily requirements of calcium for their age and gender, according to a 2024 review in Nutrients.

What makes calcium such a critical nutrient? The mineral helps the health and development of bones and teeth, plays a part in blood clotting, and supports the nervous system, among other functions. In other words, it's necessary. Ho

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