Advanced Immune System Support This wonderful highly advanced formula was designed to fight the poisonous effects of free radicals that cause cellular deterioration and disease. Greeatrol boosts and maintains the immune system while it eliminates toxins from the body. Athletes that push themselves to the limit, need special insurance and they get it with Greeatrol. Broad range anti-oxidant support Protects against disease Highly effective immune stimulant Stabilizes body functions Aids in reducing fatigue Stimulates regeneration of liver cells Mild cleansing for kidneys Gently cleanses colon Regulates blood sugar levels