Abstract
High-protein (>30% of energy from protein or >1.2 g/kg/day) and moderately high-protein
(22% to 29% of energy from protein or 1.0 to 1.2 g/kg/day) diets are popular for weight
loss, but the effect of dietary protein on bone during weight loss is not well understood.
Protein may help preserve bone mass during weight loss by stimulating insulin-like
growth factor 1, a potent bone anabolism stimulator, and increasing intestinal calcium
absorption. Protein-induced acidity is considered to have minimal effect on bone resorption
in adults with normal kidney function. Both the quantity and predominant source of
protein influence changes in bone with diet-induced weight loss. Higher-protein, high-dairy
diets may help attenuate bone loss during weight loss.
Keywords
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Biography
M. Tang is a postdoctoral research associate, University of Colorado Denver; at the time of the study, she was a graduate student, Nutrition Science department, Purdue University, West Lafayette, IN.
Biography
L. E. O'Connor is a research technician, Department of Nutrition Science, Purdue University, West Lafayette, IN.
Biography
W. W. Campbell is a professor of nutrition science, Department of Nutrition Science, Purdue University, West Lafayette, IN.
Article info
Publication history
Published online: October 30, 2013
Accepted:
August 6,
2013
Footnotes
STATEMENT OF POTENTIAL CONFLICT OF INTEREST No potential conflict of interest was reported by the authors.
FUNDING/SUPPORT There is no funding to disclose.
Identification
Copyright
© 2014 Academy of Nutrition and Dietetics. Published by Elsevier Inc. All rights reserved.
