Calcium Deficiency

How Much Calcium Do I Need?

For general supplementation purposes, the recommended Adequate Intakes (AIs) for calcium are as follows:
0 to 6 months
210 mg daily
7 to 12 months
270 mg daily
1 to 3 years
500 mg daily
4 to 8 years
800 mg daily
9 to 18 years
1300 mg daily
19 to 50 years
1000 mg daily
51 years and older
1200 mg daily


The AI amounts include calcium from all sources, including from food or from supplements.
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