Water-soluble vitamin required for red blood cell formation, myelin synthesis, and DNA production; deficiency, common in older adults and vegans, causes fatigue and neurological symptoms that supplementation corrects.
Recurrent severe headaches, often with nausea, light sensitivity, and visual disturbances.
Also known as: Methylcobalamin, Cyanocobalamin
Every published result for this pair, extracted and audited.
Research volume over time for Vitamin B12 × migraine. Structured outcome extraction (direction, effect size) for this pair is in progress - the full analytics will appear here once audited.
Hand-selected PubMed studies, linked to the originals.
Ordered by strength of evidence, then result direction.
01Differences in Ferritin, Vitamin D, and Vitamin B12 Between Fibromyalgia Patients and Healthy Individuals: A Systematic Review and Meta-AnalysisIsmail O, et al. · Musculoskeletal care · 2025PMID 39832803 ↗02Associations between Diet and Cognitive Function in Stroke Survivors: A Systematic Review and Meta-analysisAmanat S, et al. · Advances in nutrition (Bethesda, Md.) · 2025PMID 40355028 ↗03A Systematic Review of Symptoms of Pernicious AnemiaSeage CH, et al. · Food and nutrition bulletin · 2024PMID 38987871 ↗04B vitamins and prevention of cognitive decline and incident dementia: a systematic review and meta-analysisWang Z, et al. · Nutrition reviews · 2022PMID 34432056 ↗05Vitamin Supplementation and Dementia: A Systematic ReviewBe the first to share what you noticed with Vitamin B12 for migraine. How we calculate this.