Does Alcohol Affect White Willow Bark?

Use extra care with this combination

The short answer

White willow contains salicin (aspirin-like). Combined with alcohol's blood-thinning and GI-irritating effects, it greatly increases GI bleeding risk.

How to arrange timing

Do not combine white willow with alcohol due to serious GI bleeding risk.

Reference

Reference noted for this food and supplement combination: NIH NCCIH 2024

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.