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Low Serum Vitamin B12 Levels Are Associated with Adverse Lipid Profiles in Apparently Healthy Young Saudi Women

Authors
  • Al-Musharaf, Sara1
  • Aljuraiban, Ghadeer S.
  • Danish Hussain, Syed1
  • Alnaami, Abdullah M.1
  • Saravanan, Ponnusamy2, 3
  • Al-Daghri, Nasser1
  • 1 (N.A.-D.)
  • 2 Population, Evidence and Technologies, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry CV2 2 DX, UK
  • 3 Academic Department of Diabetes, Endocrinology and Metabolism, George Eliot Hospital, Nuneaton CV10 7DJ, UK
Type
Published Article
Journal
Nutrients
Publisher
MDPI AG
Publication Date
Aug 10, 2020
Volume
12
Issue
8
Identifiers
DOI: 10.3390/nu12082395
PMID: 32785129
PMCID: PMC7468727
Source
PubMed Central
Keywords
License
Green

Abstract

An abnormal lipid profile is an independent risk factor for cardiovascular diseases. The relationship between vitamin B12 deficiency and lipid profile is inconclusive, with most studies conducted in unhealthy populations. In this study, we aimed to assess the relationship between serum vitamin B12 levels and lipid profiles in a cross-sectional study that included 341 apparently healthy Saudi women, aged 19–30 years, from different colleges at King Saud University, Saudi Arabia. Sociodemographic, anthropometric, biochemical, and lifestyle data were collected, including diet and physical activity. Serum vitamin B12 deficiency was defined as serum B12 level of <148 pmol/L. The prevalence of vitamin B12 deficiency was approximately 0.6%. Using multivariable linear regression models, serum vitamin B12 levels were found to be inversely associated with total cholesterol (B = −0.26; p < 0.001), low-density lipoprotein cholesterol levels (B = −0.30; p < 0.001), and triglyceride (B = −0.16; p < 0.01) after adjusting for potential confounders, while obesity indices of body mass index, central obesity, and fat percentage showed no association. Therefore, we conclude that low serum vitamin B12 levels are independently associated with abnormal lipid profiles in healthy young Saudi women. Further interventional studies are needed to determine whether improving serum vitamin B12 levels in a healthy population can improve lipid profiles.

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