Standardized to a guaranteed 15% petasins
Certified free of pyrrolizidine alkaloids
Swanson Superior Herbs
Swanson Butterbur Extract 75 mg 60 Caps
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.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.1 inch
Height : 1.1 inch
Length : 3.4 inch

Item Weight: 1.76 ounce (View shipping rates and policies)
Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B001TEIM1A