Some people ingest excessive amounts of liquid lingzhi (Ganoderma lucidum) extract, absorbing too much of the heavy metal germanium, and thus causing their kidneys to fail. Others take lecithin and end up with diarrhea, or even heart palpitations or high blood pressure.
有人過度服用靈芝萃取液，攝取過多重金屬鍺，而發生腎衰竭；也有人吃卵磷脂，結果拉肚子，或甚至心悸、血壓升高。