Is Vitamin B12 (Cobalamin) Safe with Escitalopram?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Consider monitoring serum B12 levels annually with long-term escitalopram use. Supplement with 500–1000 mcg methylcobalamin daily if levels are low or borderline.
Why this interaction occurs
Long-term SSRI use may reduce vitamin B12 absorption through effects on gastric acid secretion and intrinsic factor availability. B12 deficiency can worsen depressive symptoms, cause cognitive impairment, and peripheral neuropathy, potentially mimicking or worsening psychiatric symptoms.
Evidence
Evidence level: moderate.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 77,785 reports mentioning Escitalopram. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Escitalopram + supplement combination on this page.
FAERS reports are voluntary and cannot prove that a drug caused an event. Do not use report counts to assess the safety of this specific drug-supplement pair.
Frequently asked questions
Related interactions
All Vitamin B12 (Cobalamin) interactions → · All Escitalopram interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.