Fans of our butterbur will rejoice for this product, which replaces branded supplements with equally high quality at a much lower price. Many users asked us for a lower-cost alternative, and after much searching, we were able to find an extract similar in composition and equal in potency, which we feel confident will produce the results you've come to expect from Swanson brand supplements. Each capsule supplies 75 mg of butterbur extract standardized to a guaranteed 7 mg petasins and certified free of pyrrolizidine alkaloids (PAs).

• A butterbur supplement with high quality and low price
• Standardized to a guaranteed 7 mg petasins
• Swanson butterbur is free of PA (Pyrrolizidine Alkaloids)
• WARNING: For adults only. Consult your healthcare provider before using this or any product if you are pregnant or nursing, taking medication or have a medical condition. Keep out of reach of children. Do not use if seal is broken. Store in a cool, dry place.
• Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.