Vitamin A assists the liver in flushing out the toxins from the body. It reduces the bile and fat in the liver. The fibers present in carrots help clean out the colon and hasten waste movement. Carrots are rich in polyacetylene antioxidant, falcarinol. Research study conducted by scientists at University of Newcastle on laboratory animals has found that falcarinol in carrots may help fight against cancers by destroying precancerous cells in the tumors.