Not exact matches
Some butterbur preparations do
contain chemicals called
pyrrolizidine alkaloids (PAs), which can damage the liver and cause other serious harm.
Contraindications: The plant (but not the oil)
contains small amounts of
pyrrolizidine alkaloids that may cause toxicity in the liver, and Borage should never be taken in large doses (many times the recommended amount) or for a long period of time.
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.