Drinking ganoderma lucidum spore powder and having black stools is generally due to the fact that the pigment of ganoderma lucidum spore powder is discharged in the stools, making the stools dark brown, which is a normal physiological phenomenon. The color of ganoderma lucidum spore powder itself is somewhat darker black-brown. After taking ganoderma lucidum spore powder, the darker black-brown natural pigment cannot be fully absorbed by the body, and is discharged with the stools, resulting in black stools. Ganoderma Lucidum Spore Powder is a kind of health care product, which can improve the body’s immunity and is suitable for people with low immunity, and it is not suitable for children and teenagers to use, note that this product is not a substitute for medication. Ganoderma Lucidum Spore Powder can change the stool to normal color after stopping taking it. If there is still black stool after stopping taking it for more than one week, it is recommended to go to the hospital for checking and clarifying the cause of the disease, and to carry out the treatment in time.