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Manuscript received 27 January 1998. Revision accepted 9 March 1998.
Creighton University, Omaha, NE 68178
Too little protein is always harmful for the skeleton. Increasing dietary protein increases endogenous calcium excretion. The ability to adapt depends upon the adequacy of an individual's calcium intake. At a population level, the effect of protein is often minimized because calcium intake rises with increasing protein intake. A dietary calcium-to-protein ratio 
20:1 (mg:g) probably provides adequate protection for the skeleton. Excess protein will not harm the skeleton if the calcium intake is adequate.
The Journal of Nutrition Vol. 128 No. 6 June 1998,
pp. 1054-1057
Copyright ©1998 by the American Society for Nutritional Sciences
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