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Berberine Drug Interactions

By the GlycoZen Editorial Team. Updated October 2026. Sources linked in the text.

Quick answer: Berberine slows several liver enzymes that break down medicines, which can raise drug levels. Groups to flag include diabetes medicines, cyclosporine, some blood thinners, sedatives and blood pressure medicines. It is not safe in pregnancy or breastfeeding.

Why interactions happen

Berberine slows CYP enzymes in the liver, so some drugs stay in the body longer.

Medicines to flag

  • Diabetes medicines
  • Cyclosporine
  • Blood thinners
  • Sedatives
  • Blood pressure medicines

Pregnancy

Berberine can cross the placenta and may harm newborns. Avoid it.

NCCIH on berberine.

General information, not medical advice. GlycoZen is a dietary supplement and is not intended to diagnose, treat, cure or prevent any disease.

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