Swanson Licorice Root While most people think of licorice as a flavoring agent for sweets, herbalists recognize it as an excellent tonic for the liver, respiratory system, and digestive system. With 450mg of pure, dried licorice root in each convenient capsule, Swanson Licorice Root makes it easy to enjoy the benefits of this remarkable herb. Supports the liver and respiratory system Used by herbalists to help cleanse the colon Excellent traditional tonic for the digestive systemDosage: Take 2 capsules daily, preferably with water and food.