Illicium verum

Star anise/Drug Interactions:

  • Anticoagulants, anti-platelet drugs, NSAIDSAnticoagulants, anti-platelet drugs, NSAIDS: Star anise increases 7-ethoxycoumarin O-deethylase activity in animal studies with mice (10;11).
  • Star anise/Herb/Supplement Interactions:

  • Anticoagulant herbs and supplementsAnticoagulant herbs and supplements: Star anise increases 7-ethoxycoumarin O-deethylase activity in animal studies with mice (10;11). Some examples of herbs/supplements suspected to cause an increased risk of bleeding are garlic (Allium sativum) (isolated case report), Ginkgo biloba (multiple case reports), saw palmetto (Serenoa repens) (two case reports), and many more.
  • Star anise/Food Interactions:

  • Insufficient available evidence.
  • Star anise/Lab Interactions:

  • International normalized ratio/INRInternational normalized ratio/INR: Star anise increases 7-ethoxycoumarin O-deethylase activity in animal studies with mice (10;11).