Doctors in Germany administer a titrated extract of butterbur plants to patients experiencing seasonal problems in the spring with the presence of pollen. The key active ingredient of butterbur is petasin, a phytochemical that reduces spasms in smooth muscle fibers, and relieves swollen mucosa of the nose.

Butterbur Extract with Standardized Rosmarinic Acid contains a patented extract of butterbur, which has been free of harmful derivatives, having undergone a special treatment.

Rosmarinic acid is a rosemary extract of rosemary, suppressing cells responsible for inflammation, providing relief from symptoms, and also contributing to good functioning of the immune system.

Luteolin is a flavonoid that has been shown to ease and enhance respiratory function.

Finally, perilla peppermint helps as well in the good functioning of the immune system.