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Does Alcohol Affect Comfrey?
Use extra care with this combination
The short answer
Comfrey contains pyrrolizidine alkaloids that are hepatotoxic. Combined with alcohol, the risk of severe liver damage is compounded.
How to arrange timing
Never combine comfrey with alcohol. Both are hepatotoxic.
Reference
Reference noted for this food and supplement combination: FDA Safety Warning
Important context
The effect can also change with food amount, supplement dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.