Nutrition
Calcium Carbonate vs Citrate
Calcium carbonate vs citrate: carbonate is concentrated and meal-dependent; citrate suits low stomach acid and flexible timing with smaller elemental per pill.
Calcium carbonate vs citrate compares common supplement forms: carbonate packs more elemental calcium per pill and is inexpensive but needs stomach acid—take with meals. Citrate has less elemental calcium per pill but absorbs reasonably on empty stomachs and suits low-acid users or proton-pump inhibitor takers.
Both count toward daily totals—read labels for elemental milligrams, not tablet weight. Pair either with vitamin D and food-based calcium first.
Common questions
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Which calcium form is best for bones?
Both work if you reach adequate total calcium and vitamin D—the better form is the one you tolerate and take consistently with proper timing.
Related terms
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