Abstract
Medical fraternity believed that Vitamin D deficiency is rare in southern part of tropical country like India. This study is aimed to determine the serum vitamin D, calcium, phosphorus and alkaline phosphatase levels in healthy subjects around Potheri, kancheepuram district of Tamilnadu. Total of 81 subjects above the age of 20, out of which 50 males and 31 females were recruited for the study. Institutional ethical committee clearance was obtained. After getting informed consent from each subject, a preformed questionnaire containing the details about socioeconomic status, religion, dietary habits , sun light exposure and skin color were filled. Venous blood was drawn to test vitamin D, calcium, phosphorus and alkaline phosphatase levels in the serum. Among 81 subjects ,73.91% had Vitamin D deficiency. Serum Vitamin D was not significantly correlated with serum phosphorus, serum alkaline phosphatase, skin color and living condition. But there exists positive correlation between serum calcium, sun light exposure with Vitamin D levels whereas socio economic status had a negative correlation. Adequate sun light exposure, fortification of food and oral intake of 800IU-1000IU Vitamin D daily are the best options to combat the Vitamin D deficiency.
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