Nature\'s Way
PETADOLEX, Pro-Active, 50 mg , 60 Softgels
Since 1969 & nbsp;Patented Butterbur & nbsp;Healthy Brain Blood Vessel Relaxation & nbsp;50 mg Per Serving & nbsp;Dietary Supplement & nbsp;Healthy Brain Blood Vessel RelaxationContains pure purple butterbur [Petasites hybridus] extract to support healthy blood vessel relaxation in the brain.Ensures that valuable petasites compounds are captured. & nbsp;Safeguards that toxic levels of inherent compounds, such as pyrrolizidine alkaloids [PAs], are left out. & nbsp;Makes it possible to test for these pyrrolizidine alkaloids [PAs]. & nbsp;Our butterbur extract contains two compounds, petasin and isopetasin, with bioactive properties, which support healthy blood vessel tone.