Vitamin B 12 Supplementation in Psychiatric Practice.
Level 5 - mechanism / opinion, no new human data
Narrative critical review without formal systematic review methodology
PubMed 38696105 · doi:10.1007/s11920-024-01505-4
What was done
This critical review examined the causes and manifestations of vitamin B12 deficiency, indications for testing, and the clinical evidence evaluating B12 supplementation as a primary or augmentation treatment across major psychiatric disorders.
What was found
The abstract reports no quantitative metrics or effect sizes. High-quality evidence demonstrates no benefit of routine B12 supplementation for mild depressive symptoms or depression prevention. Evidence for B12 as an antidepressant augmentation agent is very limited, and no high-quality evidence supports routine supplementation in any other major psychiatric disorder. No formal guidelines exist for testing B12 in common psychiatric presentations without cardinal symptoms or risk factors.
Why it matters
It clarifies that routine vitamin B12 testing and supplementation are not supported for general psychiatric populations, helping clinicians target evaluation to patients with risk factors, cardinal deficiency symptoms, or atypical presentations.
Limits
The paper is a narrative review rather than a systematic review with meta-analysis. The abstract provides no search criteria, study counts, sample sizes, or quantitative outcome measures.
Cited by
- context B12 deficiency can cause panic attacks, and intramuscular B12 injection can rapidly resolve panic symptoms.