Supplements Moderate evidence

Calcium

Bone mineral. Food first, tablet second.

Calcium supplements made sense when dairy was scarce and pills were huge. Many people now get enough from food, and excess supplemental calcium has a messier heart story than yogurt does. Pair any tablet with vitamin D status and actual protein.

How to use

Only to fill a dietary gap, split 200–500 mg with meals, not 1000 mg in one swallow.

Details

Ingredients
Calcium citrate
Benefits
Dietary calcium gap
Dosage
200–500 mg elemental per dose if needed
When to take
With food
Side effects
Constipation, kidney stones in susceptible people; citrate is gentler than carbonate for some.
Scientific evidence
Food calcium is consistently useful; large supplemental boluses have mixed cardiovascular signals.
Form
Capsule
Third-party tested
Yes

Editorial rating ★ 3.7

Useful if you eat no dairy or fortified foods. Not a default for every adult.

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