About the product
- Premium-quality, standardized butterbur extract. With higher milligram-per-capsule amount than most other brands!
- Butterbur Extract contains natural, bioactive plant compounds called sesquiterpene esters, including the active ingredient, petasin
- Standardized to ensure consistent amount of active ingredient in each dose
- PA FREE - Free of pyrrolizidine alkaloids (PA)
- Free Of Milk, eggs, peanuts, tree nuts, crustacean shellfish, fish, soy, gluten, titanium dioxide