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Calcium (as Calcium citrate) Facts
Calcium is the most abundant mineral in the human body, with ~99% stored in bones and teeth. It is essential for bone structure, muscle contraction, nerve transmission, vascular function, and cellular signaling. Dietary sources include dairy products, fortified foods, and leafy greens. However, many adults do not meet recommended intake levels.
Key Benefits of Calcium citrate:
- Supports bone density and skeletal strength, particularly when combined with vitamin D, magnesium, and boron.
- Contributes to muscle contraction and relaxation, helping maintain mobility and activity.
- Supports dental health through its role in tooth mineralization.
Why it Matters:
About 40% of U.S. adults do not meet the Estimated Average Requirement (EAR) for calcium. ¹
Adequate calcium intake is most effective when combined with vitamin D, magnesium, and other cofactors needed for bone metabolism. ²
Absorption matters: Calcium citrate is well absorbed, even without stomach acid, and can be taken with or without food.
Citations:
1. National Institutes of Health, Office of Dietary Supplements (NIH ODS). Calcium: fact sheet for health professionals. Updated 2022. https://ods.od.nih.gov/factsheets/Calcium-HealthProfessional
2. Rizzoli R. Calcium and vitamin D supplementation ... . Bone. 2005;36(Suppl 2):S16-S20. doi:10.1016/j.bone.2004.09.011
