Document Detail

No effects of low and high consumption of dairy products and calcium supplements on body composition and serum lipids in Puerto Rican obese adults.
MedLine Citation:
PMID:  20579848     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Epidemiologic studies have shown that a high calcium intake is related to lower body weight, fat, and serum lipids in obese individuals. However, clinical studies have shown inconclusive results. The present study was conducted to determine if dairy or calcium supplementation alters body composition or serum lipids in Puerto Rican obese adults without dietary energy restriction or exercise.
METHODS: A 21-wk randomized clinical trial was conducted in 30 obese adults, aged 21-50 y, with usual calcium intakes <700 mg/d. Subjects were randomly assigned to the following: high dairy (∼ 1300 mg/d of calcium from dairy products by substituting foods); high calcium (∼ 1300 mg/d of calcium; ∼ 700 mg/d from diet and 600 mg/d from a supplement); or placebo. Subjects were asked to continue their established dietary intake (except for the high dairy group) and their physical activity during the study. Body weight was measured monthly; body fat, bone, and serum lipids (total cholesterol, high-density lipoprotein, low-density lipoprotein, and triacylglycerol) were measured at baseline and at 21 wk. Pairwise differences in study endpoints among the groups were assessed using ANOVA and post-hoc analysis.
RESULTS: Grand mean calcium intake was 1200 ± 370 (median 1187) mg/d in the high dairy group, 1171 ± 265 (median 1165) mg/d in the high calcium group, and 668 ± 273 (median 691) mg/d in the control group, which was significantly lower compared to the two treatment groups (P < 0.001). There were no significant group effects in any of the outcome variables.
CONCLUSION: A high dairy or calcium diet alone did not alter body composition or serum lipids profile in a sample of Puerto Rican obese adults.
Cristina Palacios; José J Bertrán; Ruth E Ríos; Sandra Soltero
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural     Date:  2010-07-01
Journal Detail:
Title:  Nutrition (Burbank, Los Angeles County, Calif.)     Volume:  27     ISSN:  1873-1244     ISO Abbreviation:  Nutrition     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-05     Completed Date:  2011-07-18     Revised Date:  2013-12-19    
Medline Journal Info:
Nlm Unique ID:  8802712     Medline TA:  Nutrition     Country:  United States    
Other Details:
Languages:  eng     Pagination:  520-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Elsevier Inc. All rights reserved.
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MeSH Terms
Adipose Tissue / metabolism
Analysis of Variance
Body Composition / drug effects*
Body Weight
Calcium, Dietary / administration & dosage*
Dairy Products*
Diet, Reducing
Dietary Fats / administration & dosage
Double-Blind Method
Energy Intake
Energy Metabolism
Food, Fortified*
Hispanic Americans
Lipids / blood*
Middle Aged
Obesity / epidemiology
Puerto Rico / epidemiology
Young Adult
Grant Support
Reg. No./Substance:
0/Calcium, Dietary; 0/Dietary Fats; 0/Lipids

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