Essiac (Ojibwa, Flor Essence) is comprised of four herbs; Burdock, Slippery Elm, Sheep Sorrel and Turkish Rhubarb, which when combined, have a synergistic effect and is a preferred remedy in alternative medicine for treating cancer and improving the body to fight cancer and reduce side effects of chemotherapy and radiation treatments. Essiac normalizes the enzymes in the body. It helps cleanse the blood, promotes, cellular repair and aids in effective assimilation and elimination. It also regulates cholesterol, strengthens bones, joints, ligaments and the lungs, and nourishes and stimulates the brain and nervous system. It eliminates heavy metal and toxins in the tissues, destroys parasites in the digestive tract, and prevents a buildup of fatty deposits in the heart, kidneys and liver.