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118 results for "Vitamin B12"
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Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression
meta_analysis
pubmed_article
Vitamin B12 is often used to improve cognitive function, depressive symptoms, and fatigue. In most cases, such complaints are not associated with overt vitamin B12 deficiency or advanced neurological ...
Effects of Electrical Stimulation and Vitamin D Supplementation on Bone Health Following Spinal Cord Injury.
clinical_trial
clinical_trial
Modifiable Nutritional Biomarkers in Autism Spectrum Disorder: A Systematic Review and Meta-Analysis of Vitamin D, B12, and Homocysteine Exposure Spanning Prenatal Development Through Late Adolescence
meta_analysis
pubmed_article
**Avram et al., 2025** | Int J Mol Sci | Meta Analysis Avram Oana-Elisabeta, Bratu Elena-Alexandra, ... Drima Eduard. Modifiable Nutritional Biomarkers in Autism Spectrum Disorder: A Systematic Review...
Vitamin B12 deficiency and use of proton pump inhibitors: a systematic review and meta-analysis
meta_analysis
pubmed_article
BACKGROUND: Proton pump inhibitors (PPI) may impact the absorption of vitamin B12. We performed a systematic review to ascertain if PPI use increases risk of vitamin B12 deficiency. METHODS: Electroni...
Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency
systematic_review
cochrane_review
BACKGROUND: Vitamin B12 deficiency is common, and the incidence increases with age. Most people with vitamin B12 deficiency are treated in primary care with intramuscular (IM) vitamin B12. Doctors may...
Vitamin B12 levels in children and adolescents on plant-based diets: a systematic review and meta-analysis
meta_analysis
pubmed_article
CONTEXT: The popularity of plant-based diets, characterized by a partial or complete exclusion of animal products, has increased significantly over the last 10 years. The exclusion of animal products ...
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
meta_analysis
pubmed_article
**Batista et al., 2022** | Nutr Rev | Meta Analysis Batista Kamila S, Cintra Vanessa M, ... Aquino Jailane de S. The role of vitamin B12 in viral infections: a comprehensive review of its relationship...
Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights from a systematic review and meta-analysis
systematic_review
pubmed_article
**Mazur et al., 2025** | Front Pharmacol | Systematic Review Mazur Marta, Ndokaj Artnora, ... Bourgeois Denis. Efficacy of sublingual and oral vitamin B12 versus intramuscular administration: insights...
**van et al., 2019** | Nutrients | Systematic Review van de Lagemaat Erik E, de Groot Lisette C P G M, van den Heuvel Ellen G H M. Vitamin B12 in Relation to Oxidative Stress: A Systematic Review. Nut...
Biochemical, Nutritional, and Clinical Parameters of Vitamin B12 Deficiency in Infants: A Systematic Review and Analysis of 292 Cases Published between 1962 and 2022
systematic_review
pubmed_article
Pooled data from published reports on infants with clinically diagnosed vitamin B12 (B12) deficiency were analyzed with the purpose of describing the presentation, diagnostic approaches, and risk fact...