Butterbur

Also indexed as:Petasites frigidus, Petasites hybridus
Butterbur: Main Image© Martin Wall
Botanical names:
Petasites frigidus, Petasites hybridus

How It Works

Butterbur contains petasins, a group of bitter-tasting compounds in a class of chemicals called sesquiterpenoids. Petasine is a specific petasin considered important in butterbur. Petasins relax blood vessels and various smooth muscles in the body, such as those that are found in the uterus and lungs, according to test tube and animal studies.2 Petasins are also known to reduce inflammation, as demonstrated in human studies.3 Because of these properties, butterbur might be expected to be beneficial for people with migraines and asthma. Butterbur extracts have consistently been shown to reduce symptoms in people with migraines more effectively than placebo. Butterbur has also been shown to help people with asthma, although the results have been conflicting.4, 5, 6 Some studies have also shown that butterbur extract works just as well as a common antihistamine drug for people with hay fever, but without causing drowsiness.

Butterbur also contains unsaturated pyrrolizidine alkaloids. These can cause severe liver damage in some people if taken for too long. Only extracts that exclude pyrrolizidine alkaloids should be used.

How to Use It

The most commonly available product is an extract of the rhizome of Petasites hybridus standardized to contain 7.5 mg of petasine per capsule. This type of extract removes the pyrrolizidine alkaloids to avoid causing liver damage. Intake is usually 1 to 2 capsules three times per day.

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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2024.



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