Beware of the following heart-disease and herbal supplement interactions according to the Mayo Clinic:

Ginseng with Warfarin (decreases the drug’s effectiveness), Antidiabetes meds (increases chances of having dangerously low blood sugar levels), and Digoxin (interfers with Digoxin test results by leading to false, increased levels)

Hawthorn with Digoxin (increases the drug’s effect)

Ginkgo Biloba with Aspirin (increases risk of bleeding), Warfarin (decreases the drug’s effectiveness), and Antidiabetes meds (increases chances of having dangerously low blood sugar levels)

Saw Palmetto with Warfarin (increases risk of bleeding)

Echinacea with Statins (increases risk of liver damage)

Garlic with Aspirin and Warfarin (increases risk of bleeding)