biostudies-literatureDarling ALBritish Heart FoundationMedical Research CouncilNational Institute for Health Research (NIHR)Wellcome TrustBiotechnology and Biological Sciences Research Council2678-2688https://www.ebi.ac.uk/biostudies/studies/S-EPMC10260769biostudies-literatureUnknown21(14)<h4>Objective</h4>Vitamin D deficiency (serum 25-hydroxyvitamin D<25nmol/L) is extremely common in western-dwelling South Asians but evidence regarding vitamin D supplement usage in this group is very limited. This work identifies demographic, dietary and lifestyle predictors associated with vitamin D supplement use.<h4>Design</h4>Cross-sectional analysis of baseline vitamin D supplement use data.<h4>Setting</h4>UK Biobank cohort.<h4>Subjects</h4>In total, n 8024 South Asians (Bangladeshi, Indian, Pakistani), aged 40-69 years.<h4>Results</h4>Twenty-three % of men and 39% of women (P<0.001) [22% of Bangladeshis, 32% of Indians, 25% of Pakistanis (P<0.001)] took a vitamin D containing supplement. Median vitamin D intakes from diet were low at 1.0-3.0 micrograms per day, being highest in BaPublic health nutritionVitamin D supplement use and associated demographic, dietary and lifestyle factors in 8024 South Asians aged 40-69 years: analysis of the UK Biobank cohort.PMC10260769MC_PC_17228BB/I006192/1MC_QA137853Darling ALLanham-New SABlackbourn DJAhmadi KRfalseVitamin D supplement use and associated demographic, dietary and lifestyle factors in 8024 South Asians aged 40-69 years: analysis of the UK Biobank cohort.<h4>Objective</h4>Vitamin D deficiency (serum 25-hydroxyvitamin D<25nmol/L) is extremely common in western-dwelling South Asians but evidence regarding vitamin D supplement usage in this group is very limited. This work identifies demographic, dietary and lifestyle predictors associated with vitamin D supplement use.<h4>Design</h4>Cross-sectional analysis of baseline vitamin D supplement use data.<h4>Setting</h4>UK Biobank cohort.<h4>Subjects</h4>In total, n 8024 South Asians (Bangladeshi, Indian, Pakistani), aged 40-69 years.<h4>Results</h4>Twenty-three % of men and 39% of women (P<0.001) [22% of Bangladeshis, 32% of Indians, 25% of Pakistanis (P<0.001)] took a vitamin D containing supplement. Median vitamin D intakes from diet were low at 1.0-3.0 micrograms per day, being highest in Ba2018-01-01T00:00:00Z2018 Oct2025-04-19T02:51:28.544Z2025-04-19T02:51:28.544ZS-EPMC102607692993691610.1017/s136898001800140410.1017/S1368980018001404