Common Birch targets the cleansing of the liver and other organ systems. It is known as the universal drainer and is an excellent general remedy for strengthening the immune system. Common Birch targets the cleansing of the liver and other organ systems. It is known as the universal drainer and is an excellent general remedy for strengthening the immune system. As Black Currant is for the adrenals, Common Birch is for the immune system. Infections of the ear, nose and throat Allergies Adrenal gland Chronic Fatigue Hip joint and Osteoarthritis (stimulates local blood flow)   Gemmotherapy sources are one of the best ways to take this botanical medicine.   We arrange to send this remedy directly to you from the pharmacy.  There is a $12.50 shipping fee for this and other medicines from Boiron, Inc. unless we happen to have this remedy in stock at the time.