Penn Herb Wellness Guide
FennelFind Products
Side Effects
No significant adverse effects have been reported. However, in rare cases fennel can cause allergic reactions of the skin and respiratory tract.7 Anyone with an estrogen-dependent cancer (e.g., some breast cancer patients) should avoid fennel in large quantities until the significance of its estrogen-like activity is clarified.
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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.