Sentences with phrase «called pyrrolizidine alkaloids»
The raw herb as well as teas, extracts, and capsules made from the raw herb should not be used because they contain substances called pyrrolizidine alkaloids that can be toxic to the liver and kidneys and have been linked to cancer.
https://www.verywellhealth.com/
Some butterbur preparations do contain chemicals called pyrrolizidine alkaloids (PAs), which can damage the liver and cause other serious harm.