Penn Herb Wellness Guide

BugleweedFind Products

Also indexed as:Lycopus virginicus
Bugleweed: Main Image© Steven Foster
Botanical names:
Lycopus virginicus

Side Effects

Excessive intake of bugleweed by people with thyroid disease or use by healthy people may cause a potentially harmful decrease in thyroid function. Thyroid disease is dangerous and should only be treated under the supervision of a healthcare professional. However, long-term use of bugleweed is considered safe for people with hyperthyroidism.6 Bugleweed should not be taken by people with hypothyroidism. Bugleweed should also not be used during pregnancy and breast-feeding.7

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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 2025.