Is it bad to consume dandelion root?

No: Although dandelions are often considered pesky and prolific weeds, their roots, leaves and flowers are edible and beneficial for your health. Dandelion roots have been used to help liver, kidney and digestive functions; as a laxative; to treat jaundice, anemia, bladder infections and eczema; and to eliminate gallstones. Consult your doctor to inquire whether it will affect your meds or health.