DESCRIPTION Neurological Support. In addition, Butterbur may help to maintain balanced seasonal immune responses. NOW® Butterbur is free of harmful levels of Pyrrolizidine Alkaloids (PA's), so it is safe to use regularly. SUGGESTED USAGE As a dietary supplement, take 1 Vcap® 2 to 3 times daily. INGREDIENTS Serving Size: 1 Vcap® Amount Per Serving: Butterbur (Petasites hybridus) (Root) (Standardized Extract) 75 mg (min. 15% Sesquiterpenes as Petasines) Feverfew (Tanacetum parthenium) (Leaf) (Standardized Extract) 200 mg (min. 0.8% Parthenolides) Other Ingredients: Cellulose (capsule), Cellulose, Silica, Magnesium Stearate (vegetable source), Stearic Acid (vegetable source) and Maltodextrin. Contains no: sugar, salt, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives. WARNINGS If pregnanat, nursing, or taking other medications, consult healthcare practitioner before using this product. Keep out of reach of children.