When the stomach is full of air bubbles, its muscles are unable to relax causing cramps and spasms. Woodward's Gripe Water contains oil of Dill herb and Sodium Bicarbonate and brings rapid relief of wind and gripe. Dill Seed Oil warms and relaxes the tummy, breaking down trapped air bubbles. Sodium Bicarbonate neutralises acid in the baby's tummy. The results are usually a resounding burp. It contains terpeneless dill see oil, sodium bicarbonate, e217, e219, disodium edt.