Betaine, a phytochemical in beet powder helps the kidneys and liver to process an amino acid known as SAM-e. SAM-e occurs naturally in the body. Adding beet root powder to your diet increases the production of SAM-e in the body naturally. Almost a thousand published studies have reported on the array of benefits elevated levels of SAM-e provides for the liver. The liver contains the third highest amount of SAM-e in the body, after the adrenal and pineal glands.