For Liver and Digestive Support Herbal Supplement Approved by Michael Tierra L.Ac, O.M.D Artichoke extract is used throughout Europe to support liver and gallbladder function and relieve occasional indigestion. It works partly by increasing bile production, which may support increased fat metabolism. Planetary Herbals Artichoke Extract is standardized to 5% cynarins for assured potency of this important compound.