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Objectives: Adequate intake of vitamin B complex could be prerequisite to health. However, few studies have been reported on the association of thiamine (vit B1), riboflavin (vit B2) and niacin (vit B3) with periodontal health. This study described the association between periodontal health and dietary vit B1, vit B2 and vit B3 intake in the Korean population. Methods: A total of 12 750 adults aged over 19 years were selected for this study as a sub‐sample of the national data set from Korean National Health and Nutrition Examination Survey (IV and V). Periodontitis and gingivitis were defined as Community Periodontal Index (CPI) scores of 3‐4 and 1‐2, respectively. Information on dietary vit B1, vit B2 and vit B3 intake was from 24‐hour dietary recall method. Multivariable complex logistic regression analyses estimated association between vit B1, vit B2 and vit B3 intakes and periodontal health after adjusting for various potential confounders. Stratified analyses by age, sex, dyslipidemia and total energy intake were also undertaken. Results: The overall estimated prevalence of periodontitis (CPI 3‐4) and gingivitis (CPI 1‐2) was 29.9% and 46.6%, respectively. Our data showed none of the inadequate intake of vit B1, vit B2 and B3 showed significant association with gingivitis after adjusting for potential confounders. Inadequate intake of vit B3 showed higher prevalence odds of periodontitis by 1.25 times (adjusted odds ratio = 1.25, 95% CI = 1.07‐1.46). The association of vit B3 with periodontitis was stronger in females and participants aged 40‐59 years. Conclusions: Inadequate dietary intake of vit B3 was associated with periodontitis. [ABSTRACT FROM AUTHOR]

Background and Objectives: Metabolic syndrome is a leading global public health concern. Nutritional approaches are important for preventing and managing cardiometabolic risks, including metabolic syndrome. The aim of this study was to examine the potential association between riboflavin intake and cardiometabolic risks according to sex among Koreans.Methods and Study Design: We used data from the Korea National Health and Nutrition Examination Survey 2015-2016, a nationwide cross-sectional survey that assesses the health and nutritional status of the Korean population. A total of 6,062 individuals aged ≥19 years were included. The nutrition survey was performed using 24-h dietary recall.Results: A significant association was observed between low riboflavin intake with only increased HDL-cholesterol (OR 1.362, 95% CI 1.017-1.824, p=0.038) among metabolic syndrome and its components in men, whereas insufficient riboflavin intake was positively associated with hypertension (OR 1.352, 95% CI 1.085-1.685, p=0.007), diabetes (OR 1.493, 95% CI 1.137-1.959, p=0.004) and metabolic syndrome (OR 1.289, 95% CI 1.014-1.640, p=0.038) in women after adjusting for the other covariates. For post-menopausal women, central obesity was also correlated with insufficient riboflavin intake (OR 1.315, 95% CI 1.019-1.696, p=0.035).Conclusions: Insufficient riboflavin intake may contribute to development of cardiometabolic disorder, particularly in women. It was also found that riboflavin may have different influences on its risks in women according to menopausal status. This study highlighted the importance of public policies targeted at these sex-specific groups for reducing cardiometabolic risks. [ABSTRACT FROM AUTHOR]