TITLE

Calcium and vitamin D for obesity: a review of randomized controlled trials

AUTHOR(S)
Soares, M J; Chan She Ping-Delfos, W; Ghanbari, M H
PUB. DATE
September 2011
SOURCE
European Journal of Clinical Nutrition;Sep2011, Vol. 65 Issue 9, p994
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Obesity often coexists with low calcium intake and vitamin D insufficiency. There is emerging evidence of a role for these nutrients in the regulation of body weight. However, it is unclear whether increasing intakes of calcium and/or vitamin D during energy restriction, is a better strategy for weight and fat loss. We searched the literature from 2000 to date for randomized controlled trials (RCTs) on weight loss that had increased calcium or vitamin D per se, or in combination. Primary and secondary studies were included for this analysis. A total of 15 RCTs on calcium with or without vitamin D and seven on vitamin D alone met our criteria. Two studies reported that supplemental calcium significantly increased fat loss during caloric restriction by 1.8 and 2.2 kg, three found differences between 1 and 3.5 kg but were statistically nonsignificant, while nine trials were equivocal (±0.7 kg). The data on vitamin D supplementation during weight loss were too few to make firm conclusions. Current evidence from RCTs did not consistently support the contention that calcium and vitamin D accelerated weight or fat loss in obesity. There were studies that favoured the hypothesis but lacked the statistical power. There is a need for RCTs to examine the influence of vitamin D on body fat.
ACCESSION #
65221865

 

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