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Calcium Citrate vs. Calcium Carbonate: Which Is Better for You?

Calcium is essential for strong bones, teeth, and muscle function. Two popular supplements, calcium citrate and calcium carbonate, offer different benefits. Understanding their differences can help you choose the right one for your needs.

1. Absorption and Effectiveness
– Calcium Citrate: Easily absorbed, even on an empty stomach. Ideal for older adults or those with low stomach acid. It provides 21% elemental calcium per dose.
– Calcium Carbonate: Requires stomach acid for absorption, so it’s best taken with food. It contains 40% elemental calcium, making it more concentrated but less absorbable for some.

2. Digestibility & Side Effects
– Calcium Citrate is gentler on the stomach, reducing the risk of bloating or constipation.
– Calcium Carbonate may cause digestive discomfort if taken without food.

3. Cost & Dosage
– Calcium Carbonate is more affordable and widely available.
– Calcium Citrate is pricier but better for sensitive stomachs.

Which Should You Choose?
– For better absorption: Calcium citrate (especially for seniors or those with digestive issues).
– For higher calcium content & cost-efficiency: Calcium carbonate (take with meals).

Both supplements support bone health, but your choice depends on digestion, diet, and budget. Consult a doctor before starting any calcium regimen.

By understanding calcium citrate vs. calcium carbonate, you can make an informed decision for optimal bone health.