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Safety note
Does lingzhi have side effects?
Oral lingzhi has relatively few side effects. A small number of people may experience stomach discomfort, bloating, diarrhea, constipation, dry mouth or blisters on the lips when they start taking it, mostly mild.
Book on lingzhiSummarized from a published book; verifiable by title and ISBNPublished book · see title and ISBN in the sourceHow the study was done
Drawn from the section “Does lingzhi have side effects?”. There are also reports of allergic reactions to Bozhi glycopeptide injection (a lingzhi-type injectable).
What the researchers say
If you feel unwell after taking it, especially with new symptoms, stop and consult a doctor.
Source
Lin Zhibin (ed.), 灵芝从神奇到科学 [Lingzhi: From Mystery to Science], 3rd ed., Peking University Medical Press, 2018, ISBN 978-7-5659-1844-5, Ch. 15
Checked against the book Last updated: 2026-10-15
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