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Dosages in osteoporosis

From Dr David Williams

Medical director UK, Prostrakan

Re: the article on osteoporosis (Clinical, 9 March) outlining the issues surrounding this major public health burden.

We would like to point out that the dose of calcium/ vitamin D quoted by Professor Compston is not borne out in the literature.

A review of the data shows 1.2g of calcium/800iu vitamin D3 has a positive effect on reducing fracture rates. The National Osteoporosis Society ( also advises the use of this dose.

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