Curhan GC, Willett WC, SPeizer FE, Stampfer MJ
A prospective study of dietary and supplemental calcium and the
risk of kidney stones in women
Am Soc Nephrol
J Am Soc Nephrol (abstract)
(Nov) 6:946 1995
These authors note that a high calcium diet (which was actually a
recommended calcium intake) reduced kidney stone formation, while a low
calcium diet enhanced the likelihood of stones. In contrast patients
taking calcium supplements also had increased numbers of stones. The
authors suggest that the calcium in the diet was more effective than
calcium supplements in binding intestinal oxalate and preventing its
absorption. They propose that supplements are probably not taken with
food, so have little effect on oxalate absorption.
(Sherrard)
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Am Soc Nephrol
Nephrolithiasis :
Renal Stones: Etiology
H: Non drug therapy :
Dietary/electrolyte therapy