Does consuming lingzhi (Ganoderma lucidum) have any side effects?

Improper consumption of *Ganoderma lucidum* (Reishi mushroom) may cause adverse effects. A small number of individuals may experience symptoms such as fever and dizziness after ingestion, and excessive single-dose intake may lead to “heatiness” (a traditional Chinese medicine concept referring to inflammatory or hyperactive conditions). Exercise caution when consuming wild *Ganoderma lucidum* harvested personally, to avoid potential poisoning. *Ganoderma lucidum* is contraindicated for infants and young children, pregnant women, and individuals experiencing severe hemorrhage. As a tonic traditional Chinese medicine, *Ganoderma lucidum* helps enhance immune function and promote overall physical health.