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Indian J Occup Environ Med. 2007 May;11(2):83-5. doi: 10.4103/0019-5278.34535.

Incidence of vitamin B12 / D3 deficiency among company executives.

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1
Reliance Industries Ltd., Reliance Centre, Walchand Hirachand Marg, Ballard Pier, Mumbai - 400 001, India.

Abstract

The present cross-sectional and interventional study was carried out to assess the incidence of vitamin B12 / vitamin D deficiency in male office executives in the tropical city of Mumbai, India. A total of 75 senior executives were surveyed and subjected to analysis of blood levels of vitamin D (25 Hydroxy Cholecalciferol) by RIA method and vitamin B12 by CLIA method. The same was performed in a reputed analytical laboratory with NABL accreditation. History of smoking, exposure to sunlight, exercise, dietary habits, consumption of vitamin supplements, medication etc. was obtained.The results revealed 65% executives with vitamin B12 deficiency (less than 193 pg/ml) and 28% executives with vitamin D deficiency (less than 7.6 ng/ml). The prevalence of low levels of vitamin B12 is lower (58%) in those who give history of regular exercise than others. The prevalence of vitamin D deficiency is lower (25%) in those who give history of regular exercise than in others (46.2%). Prevalence of vitamin D deficiency is higher (47%) in those whose workday day started earlier than in those whose workday started later (12%).In the second phase of the survey, 58 executives with low B12/ D3 values, were given vitamin B12/D3 oral supplements for a period of three months along with counseling for lifestyle modification. A modified questionnaire was then circulated and the subjects analyzed for B12/D3 values. Significant improvements in serum B12 and D3 values were seen after the oral therapy, sun exposure and dietary modifications.

KEYWORDS:

Alfacalcidol; mecobalamine

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