Dietary Supplement. For daily or acute use. Clinically proven natural ingredients. Patented Petadolex from butterbur. Nutritional support for people with migraines. 100% Natural. Safe an convenient blister pack. Petadolex supplementation has been the subject of placebo controlled studies. Users supplementing with Petadolex reported improvement as shown in chart. Percent of users reporting improvement. Results for daily use 71%, for acute use 78%. The only side effect is better health. 100% Natural - Free of artificial colors, flavors, sweeteners, preservatives, and other objectionable additives often found in vitamin products. Contains no sugar, lactose, wheat, gluten or allergenic yeasts.