Vitamin B12 status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls

A Sobczyńska-Malefora, E Delvin… - Critical reviews in …, 2021 - Taylor & Francis
Vitamin B12 (cobalamin) is an essential cofactor for two metabolic pathways. It is obtained
principally from food of animal origin. Cobalamin becomes bioavailable through a series of …

The role of vitamin B12 in viral infections: a comprehensive review of its relationship with the muscle–gut–brain axis and implications for SARS-CoV-2 infection

KS Batista, VM Cintra, PAF Lucena… - Nutrition …, 2022 - academic.oup.com
This comprehensive review establishes the role of vitamin B12 as adjunct therapy for viral
infections in the treatment and persistent symptoms of COVID-19, focusing on symptoms …

[图书][B] Nordic Nutrition Recommendations 2023: integrating environmental aspects

R Blomhoff, R Andersen, EK Arnesen, JJ Christensen… - 2023 - books.google.com
Available online: https://pub. norden. org/nord2023-003/The Nordic Nutrition
Recommendations (NNR) constitute the scientific basis for national dietary guidelines and …

[HTML][HTML] The importance of vitamin B12 for individuals choosing plant-based diets

A Niklewicz, AD Smith, A Smith, A Holzer… - European journal of …, 2023 - Springer
Vitamin B12 is an essential nutrient that is not made by plants; consequently, unfortified
plant-based foods are not a reliable supply. Recent estimates suggest high rates of vitamin …

Nutritional status of micronutrients as a possible and modifiable risk factor for COVID-19: a UK perspective

DP Richardson, JA Lovegrove - British journal of nutrition, 2021 - cambridge.org
Recent scientific evidence has indicated that the elderly have increased risk of COVID-19
infections, with over 70s and 80s being hardest hit–especially residents of care homes and …

Vitamin B12

AD Smith, MJ Warren, H Refsum - Advances in food and nutrition research, 2018 - Elsevier
The biosynthesis of B 12, involving up to 30 different enzyme-mediated steps, only occurs in
bacteria. Thus, most eukaryotes require an external source of B 12, and yet the vitamin …

[HTML][HTML] Nutrient intake and status of german children and adolescents consuming vegetarian, vegan or omnivore diets: Results of the vechi youth study

U Alexy, M Fischer, S Weder, A Längler, A Michalsen… - Nutrients, 2021 - mdpi.com
There is a lack of data on associations between modern vegetarian and vegan diets and
health among children and adolescents. The aim of the Vechi Youth Study was to cross …

[HTML][HTML] Relationship between serum B12 concentrations and mortality: experience in NHANES

BHR Wolffenbuttel, MR Heiner-Fokkema, R Green… - BMC medicine, 2020 - Springer
Background There is conflicting evidence in the literature on the association between
(elevated) serum B12 concentrations and subsequent disease or mortality. We evaluated in …

Gut microbiota-derived vitamins–underrated powers of a multipotent ally in psychiatric health and disease

L Rudzki, TW Stone, M Maes, B Misiak… - Progress in Neuro …, 2021 - Elsevier
Despite the well-established roles of B-vitamins and their deficiencies in health and disease,
there is growing evidence indicating a key role of those nutrients in functions of the central …

[HTML][HTML] High folic acid or folate combined with low vitamin B-12 status: potential but inconsistent association with cognitive function in a nationally representative cross …

RL Bailey, S Jun, L Murphy, R Green, JJ Gahche… - The American journal of …, 2020 - Elsevier
Background Potential safety concerns relative to impaired cognitive function may exist when
high folic acid exposures are combined with low vitamin B-12 status. Objectives We aimed to …