Swanson Butterbur Extract delivers 75mg of standardised Petasites hybridus root extract per capsule, providing 7mg of total petasins — including petasin, isopetasin and S-petasin — the key active compounds found in butterbur. Each 60-capsule pack offers a convenient two-month supply at the recommended one-capsule-twice-daily serving.

Butterbur (Petasites hybridus) is a herbaceous plant with a long history of traditional use in Europe. Swanson’s extract is carefully standardised to ensure consistent levels of active petasins in every capsule, giving you confidence in what you are taking each day.

This product is formulated in easy-to-swallow capsules, making it a straightforward addition to your daily supplement routine. As with all Swanson products, it is manufactured to high quality standards for those seeking reliable herbal supplementation.