Planetary Herbals Migra Comfort, 60 SoftgelsPlanetary Herbals MigraComfort, 60 Softgels, is a clinically proven supplement designed to relieve vascular smooth muscle tension by inhibiting leukotriene synthesis. It utilizes Petadolex, a patented and standardized extract of butterbur (Petasites hybridus), which contains the active compounds petasin and isopetasin. The extraction process removes toxic pyrrolizidine alkaloids, ensuring a safe and potent formula. Butterbur has been used for