Butterbur Extract with standardized Rosmarinic Acid uses a patented butterbur extract carefully extracted using state-of-the-art technology to obtain key active ingredients while containing no detectable toxic pyrrolizidine alkaloids .
This formula also contains standardized rosmarinic acid
Butterbur's main active ingredient is petasin, a phytochemical that may reduce spasms in smooth muscle, thus relaxing swollen nasal membranes
When enriched with rosmarinic acid, perilla leaf extract has been shown to provide significant seasonal support for the bod
This formula also contains standardized rosmarinic acid, a plant polyphenol derived from rosemary leaf.
Butterbur Extract with Standardized Rosmarinic Acid contains a patented butterbur extract.