Dill Oil - Fennel Oil with Simethicone is a herbal medicine that helps increase the movement of the stomach and intestines to push food through the digestive tract. The medicine also helps relieve muscle spasms in the gut. Simethicone is an antifoaming agent that disintegrates gas bubbles and allows easy passage of gas. It is safe to consume and side-effects free. Dill Oil - Fennel Oil with Simethicone comes in a preventative packaging that keeps impurities and contaminants at bay.