120 Servings of Butterbur Extract in Every Bottle Butterbur Extract (Also Known As Coltsfoot) Is the Only Active Ingredient 75 Mg of Butterbur Extract in Every Serving Pyrrolizidine Alkaloids (PA) Free Formula! Non-GMO, Gluten-Free, 3rd Party Tested Made in a... 120 Servings of Butterbur Extract in Every Bottle Butterbur Extract (Also Known As Coltsfoot) Is the Only Active Ingredient 75 Mg of Butterbur Extract in Every Serving Pyrrolizidine Alkaloids (PA) Free Formula! Non-GMO, Gluten-Free, 3rd Party Tested Made in a GMP Compliant, FDA Registered Facility Nutricost Butterbur Extract (Also Known As Coltsfoot) contains 75 mg of high-quality Butterbur in every capsule. Our Butterbur is Pyrrolizidine Alkaloids (PA) Free, non-GMO, gluten-free, and vegetarian-friendly. Butterbur is the only active ingredient in each serving.