Is SAM-e Safe with Venlafaxine?
Free · No account · based on published sources including NIH ODS, FDA drug labels, and peer-reviewed literature
Do not combine without medical supervision. Inform your prescriber if you are considering SAM-e. Watch for signs of overstimulation including restlessness, diarrhea, and elevated heart rate.
Why this interaction occurs
SAM-e acts as a methyl donor supporting monoamine neurotransmitter synthesis and has demonstrated serotonergic activity. Adding SAM-e to Venlafaxine therapy may produce additive serotonergic effects increasing the risk of serotonin toxicity.
Evidence
Evidence level: limited.
Reported safety data
The FDA’s adverse event reporting system (FAERS) has received 92,249 reports mentioning Venlafaxine. This reflects reported cases involving the medication in general — not confirmed causation, and not specific to the Venlafaxine + 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 SAM-e interactions → · All Venlafaxine interactions →
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Educational only — not medical advice.
Always confirm with your doctor or pharmacist.