Butterbur 50mg Capsules provide PA-free Petasites hybridus extract for migraine and allergy support. Petasin and isopetasin in Butterbur support healthy inflammatory balance and vascular tone. It is one of the most well-studied natural botanicals for migraine prevention and allergy support. Each capsule is certified PA-free for safety and suitability for regular use. A trusted herbal supplement for those seeking natural migraine and allergy wellness.