topicCyanocobalamin Fatigue Randomized Trial
claimThere is also the assumption that a water-soluble vitamin carries negligible risk [,].
evidence level3
citationYepes-Calderón Manuela (2026)
sourceVitamin B 12 Supplementation: Is More Always Better?
topicCyanocobalamin Fatigue Randomized Trial
claimA critical appraisal is warranted to delineate evidence-based indications, clarify benefits and harms in replete populations, and guide prudent dosing and monitoring.
evidence level3
citationYepes-Calderón Manuela (2026)
sourceVitamin B 12 Supplementation: Is More Always Better?
topicCyanocobalamin Fatigue Randomized Trial
claimTo investigate effects beyond deficiency correction, we examined evidence on vitamin Bpharmacokinetics and routes of administration, as well as studies assessing potential health benefits in non-deficient individuals.
evidence level3
citationYepes-Calderón Manuela (2026)
sourceVitamin B 12 Supplementation: Is More Always Better?
topicCyanocobalamin Fatigue Randomized Trial
claim12 12 1 2 3 4 4 5 Vitamin Bsupplements are usually prescribed to cover deficiencies and, less frequently, as cofactor therapy for rare inborn errors of metabolism [,].
evidence level3
citationYepes-Calderón Manuela (2026)
sourceVitamin B 12 Supplementation: Is More Always Better?
topicCyanocobalamin Fatigue Randomized Trial
claimSupplementation with B vitamins and magnesium improved fatigue and symptom-based disease activity scores in UC; however, effects on underlying inflammatory activity remain uncertain.
evidence level4
citationRamezani E (2026)
sourceEffects of B vitamins and magnesium on fatigue, disease activity and quality of life in inflammatory bowel disease.
topicCyanocobalamin Fatigue Randomized Trial
claimThis study investigated the efficacy of supplementation with B vitamins and magnesium in alleviating fatigue, improving disease activity, and health-related quality of life (HRQoL) in patients with inflammatory bowel disease (IBD) based on patient-reported outcomes.
evidence level4
citationRamezani E (2026)
sourceEffects of B vitamins and magnesium on fatigue, disease activity and quality of life in inflammatory bowel disease.
topicCyanocobalamin Fatigue Randomized Trial
claimIn this randomized, double-blind, placebo-controlled trial, 98 adults with IBD in remission were randomized (1:1) to receive daily supplementation with vitamins B 1 , B 6 , B 12 , and magnesium or a matching placebo for 4 weeks.
evidence level4
citationRamezani E (2026)
sourceEffects of B vitamins and magnesium on fatigue, disease activity and quality of life in inflammatory bowel disease.