In association with the sap, Birch buds promote the elimination of toxins accumulated in the body (through liver drainage). Birch is an important  anti-inflammatory remedy and one indicated in all types of joint pains and stiffness; its kidney and liver drainage properties help remove the toxins that are often at the origin of articular pathologies. Birch can be used in other systematic inflammations like hepatitis, pancreatitis, pleuritis, etc