Black stool after ganoderma lucidum is not detoxification. Ganoderma lucidum itself is black. After eating, people will pull out black stool due to the influence of pigment deposition. Ganoderma lucidum is mainly distributed in China, Zhejiang, Fujian, Guangdong, Jiangxi, Hunan, Anhui, Guizhou, Heilongjiang, Jilin and other places. Ganoderma lucidum generally grows in forests with high humidity and dark light, mainly on decaying trees or their roots.