Calcium pills ‘have little effect on bone health’

Drinking a pint of milk does not make your bones healthier. Picture: ContributedDrinking a pint of milk does not make your bones healthier. Picture: Contributed
Drinking a pint of milk does not make your bones healthier. Picture: Contributed
Taking calcium supplements or eating more dairy to improve bone health has little or no effect, according to new research.

There is scant evidence that taking calcium supplements prevents fractures and no evidence that increasing calcium through the diet prevents fractures or breaks either, experts said.

The research, published in the British Medical Journal (BMJ), collected data from dozens of studies on the issue.

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According to the NHS, adults need 700mg of calcium a day. It is recommended that people get all the calcium they need from their daily diet.

The NHS Choices website warns that taking high doses of calcium (over 1,500mg a day) could lead to stomach pain and diarrhoea. It says taking supplements containing less than this amount are unlikely to cause any harm.

In the latest study, experts from New Zealand concluded that efforts to increase calcium intake to improve bone health had no overall effect.

“Our analyses indicate that dietary calcium intake is not associated with risk of fracture, and there is no evidence currently that increasing dietary calcium intake prevents fractures,” they said.

The researchers said that 
calcium supplements have “an unfavourable risk:benefit profile” – meaning that they could do more harm than good.

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