Document Detail


Serum 25-hydroxyvitamin D status of vegetarians, partial vegetarians, and nonvegetarians: the Adventist Health Study-2.
MedLine Citation:
PMID:  19339396     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Vegans and other vegetarians who limit their intake of animal products may be at greater risk of vitamin D deficiency than nonvegetarians, because foods providing the highest amount of vitamin D per gram naturally are all from animal sources, and fortification with vitamin D currently occurs in few foods.
OBJECTIVE: We assessed serum 25-hydroxyvitamin D [s25(OH)D] concentrations and factors affecting them in vegetarians, partial vegetarians, and nonvegetarians in a sample of calibration study subjects from the Adventist Health Study-2.
DESIGN: Food-frequency questionnaires and sun-exposure data were obtained from 199 black and 229 non-Hispanic white adults. We compared s25(OH)D concentration, dietary and supplemental vitamin D intake, and sun exposure in the different dietary groups.
RESULTS: We found no significant difference in s25(OH)D by vegetarian status for either white or black subjects. Among whites, dietary vitamin D intake and sun behavior were different between vegetarian groups, but there was no difference in skin type distribution. Among blacks, no significant differences were observed for any of these variables between vegetarian groups. The mean (+/-SD) s25(OH)D was higher in whites (77.1 +/- 10.33 nmol/L) than in blacks (50.7 +/- 27.4 nmol/L) (P < 0.0001).
CONCLUSIONS: s25(OH)D concentrations were not associated with vegetarian status. Other factors, such as vitamin D supplementation, degree of skin pigmentation, and amount and intensity of sun exposure have greater influence on s25(OH)D than does diet.
Authors:
Jacqueline Chan; Karen Jaceldo-Siegl; Gary E Fraser
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural     Date:  2009-04-01
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  89     ISSN:  1938-3207     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-04-21     Completed Date:  2009-05-14     Revised Date:  2013-01-21    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1686S-1692S     Citation Subset:  AIM; IM    
Affiliation:
Adventist Health Study-2, School of Public Health, Loma Linda University Loma Linda, CA, USA.
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MeSH Terms
Descriptor/Qualifier:
African Continental Ancestry Group / statistics & numerical data
Animals
Diet, Vegetarian / statistics & numerical data*
European Continental Ancestry Group / statistics & numerical data
Food Habits
Humans
Meat
Protestantism
Questionnaires
United States
Vitamin D / analogs & derivatives*,  blood
Vitamin D Deficiency / epidemiology*
Grant Support
ID/Acronym/Agency:
5F32HL082435/HL/NHLBI NIH HHS; R01 CA094594/CA/NCI NIH HHS; R01 CA094594/CA/NCI NIH HHS; R01 CA094594-01/CA/NCI NIH HHS; R01 CA094594-02/CA/NCI NIH HHS; R01 CA094594-03/CA/NCI NIH HHS; R01 CA094594-03S1/CA/NCI NIH HHS; R01 CA094594-04/CA/NCI NIH HHS; R01 CA094594-04S1/CA/NCI NIH HHS; R01 CA094594-05/CA/NCI NIH HHS; R01 CA094594-05S1/CA/NCI NIH HHS
Chemical
Reg. No./Substance:
1406-16-2/Vitamin D; 64719-49-9/25-hydroxyvitamin D
Comments/Corrections

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