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A 33-year-old member asked:

What is better for bones? calcium carbonate or calcium citrate?

1 doctor answer1 doctor weighed in
Dr. Linda DiMeglio
Pediatric Endocrinology 28 years experience
Either ok: Either form of calcium is reasonable to take as a supplement. Choose a form that you won't mind taking as some are definitely more palatable than others. Calcium citrate may be somewhat better absorbed as calcium is best absorbed with some acid. In general, what is more important is to space out your calcium consumption throughout the day as possible since if you take all your calcium at one time it is not well absorbed.

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A 46-year-old member asked:

What's the difference between calcium citrate and calcium carbonate?

1 doctor answer2 doctors weighed in
Dr. Frederick Singer
Endocrinology 58 years experience
Absorption: Calcium citrate and calcium carbonate are calcium supplements which are recommended to people who do not use dairy products. Calcium carbonate is not well absorbed in people who have low amounts of acid in the stomach. Calcium citrate is well absorbed in the absence of acid.

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Last updated Oct 6, 2013

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