Results 1 to 10 of about 20,924,698 (293)

Time out: should vitamin D dosing be based on patient's body mass index (BMI): a prospective controlled study

Journal of Nutritional Science, 2021
The recommended daily dose of vitamin D is 2000 IU was found to be insufficient in many patients. The objective of the present study is to find whether the daily dose of vitamin D should be based on BMI.
Mir Sadat-Ali, Khalid W. AlTabash, Haifa A. Al-Turki, Sulaiman A. AlMousa, Hasan N. AlSayed   +4 more
doaj   +1 more source

Genetically Predicted Circulating Concentrations of Micronutrients and COVID-19 Susceptibility and Severity: A Mendelian Randomization Study

Frontiers in Nutrition, 2022
BackgroundCoronavirus disease 2019 (COVID-19) is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which since 2019 has caused over 5 million deaths to date.
Neil Daniel, Emmanouil Bouras, Konstantinos K. Tsilidis, Konstantinos K. Tsilidis, David J. Hughes   +4 more
doaj   +1 more source

Vitamin B complex and vitamin B 12 levels after peripheral nerve injury

Neural Regeneration Research, 2016
The aim of the present study was to evaluate whether tissue levels of vitamin B complex and vitamin B 12 were altered after crush-induced peripheral nerve injury in an experimental rat model.
Idiris Altun, Ergül Belge Kurutaş
doaj   +1 more source

Multiple micronutrient supplementation improves vitamin B₁₂ and folate concentrations of HIV infected children in Uganda: a randomized controlled trial

Nutrition Journal, 2011
Background The effect of multiple micronutrient supplementation on vitamin B12 and folate has hither to not been reported in African HIV infected children. This paper describes vitamin B12 and folate status of Ugandan HIV infected children aged 1-5 years
Bolann Bjørn J, Ndugwa Christopher M, Tumwine James K, Ndeezi Grace, Tylleskär Thorkild   +4 more
doaj   +1 more source

Combined dietary folate, vitamin B-12, and vitamin B-6 intake influences plasma docosahexaenoic acid concentration in rats

Nutrition & Metabolism, 2012
Background Folate, vitamin B-12, and vitamin B-6 are essential nutritional components in one-carbon metabolism and are required for methylation capacity. The availability of these vitamins may therefore modify methylation of phosphatidylethanolamine (PE)
van Wijk Nick, Watkins Carol J, Hageman Robert J J, Sijben John C W, Kamphuis Patrick G H J, Wurtman Richard J, Broersen Laus M   +6 more
doaj   +1 more source

Decreased vitamin B 12 and folic acid concentrations in acne patients after isotretinoin therapy: A controlled study

Indian Journal of Dermatology, 2014
Background: Oral isotretinoin treatment might influence the levels of vitamin B 12 and folic acid. Aims and Objectives: The aim of this study is to compare vitamin B 12 and folic acid levels in patients with moderate and severe acne vulgaris with those ...
Hilal Gökalp, I Bulur, M A Gürer
doaj   +1 more source

Effect of Vitamin D₃ Supplementation vs. Dietary–Hygienic Measures on SARS-CoV-2 Infection Rates in Hospital Workers with 25-Hydroxyvitamin D3 [25(OH)D3] Levels ≥20 ng/mL

Microorganisms, 2023
Background: There is scant information on the effect of supplementation with vitamin D3 in SARS-CoV-2 infection cases when patient 25-hydroxyvitamin D3 [25(OH)D3] levels are between 20–100 ng/mL.
Maria Elena Romero-Ibarguengoitia, Dalia Gutiérrez-González, Carlos Cantú-López, Miguel Ángel Sanz-Sánchez, Arnulfo González-Cantú   +4 more
doaj   +1 more source

Dietary intake of folate, vitamin B₆, and vitamin B₁₂, genetic polymorphism of related enzymes, and risk of breast cancer: a case-control study in Brazilian women

BMC Cancer, 2009
Background Several studies have determined that dietary intake of B vitamins may be associated with breast cancer risk as a result of interactions between 5,10-methylenetetrahydrofolate reductase (MTHFR) and methionine synthase (MTR) in the one-carbon ...
Carvalho Solange, Nishimoto Ines, Hamada Gerson, Junko Ishihara, Iwasaki Motoki, Ma Enbo, Motola Juvenal, Laginha Fábio, Tsugane Shoichiro   +8 more
doaj   +1 more source

Stability of Vitamins B₁, B₂, B₆ and E in a Fortified Military Freeze-Dried Meal During Extended Storage

Foods, 2020
Australian military ration packs contain a variety of processed foods, including some that are fortified with vitamins. In this study, freeze-dried meals, a key component of lightweight patrol ration packs, were fortified at the time of packing by direct
Ross Coad, Lan Bui
doaj   +1 more source

Therapeutic Effects of Levocarnitine or Vitamin B Complex and E With Selenium on Glycerin-Treated Holstein Friesian Cows With Clinical Ketosis

Frontiers in Veterinary Science, 2021
Currently, ketosis has no fully satisfactory resolution in dairy cows. Here, we investigated the effect of levocarnitine or vitamin B complex and E with selenium on clinically ketotic cows (β-hydroxybutyrate ≥ 3.0 mmol/L and decreased milk yield), fed ...
Seungmin Ha, Seogjin Kang, Manhye Han, Jihwan Lee, Hakjae Chung, Donghyeon Kim, Jinho Park   +6 more
doaj   +1 more source