The topic has been a hot one since March, when the federal National Toxicology Program published an alarming report stating that the extract—broadly taken to support brain and heart health—causes liver and thyroid cancer in rodents. The nonprofit Center for Science in the Public Interest responded swiftly, downgrading the supplement from “safe” to “avoid” in its guide
Cancer concerns cast doubt on ginkgo biloba
Possible side effects of ginkgo biloba are stirring up controversy. We interviewed a top toxicologist to get the latest on whether or not this herbal extract is safe to use.