Tough, thick oak bark is alchemically processed with purified oak bark ash to create this allergy remedy. To temporarily relieve symptoms of skin rash and/or digestive upset related to gluten intolerance or related food allergies, dissolve under the tongue 4 times daily. Age 12 and older: 10 pellets. Ages 2-11: 5 pellets. Under age 2: Ask a doctor. 30 ml