Ajwain is an Indian spice commonly used as a remedy for gastrointestinal problems like indigestion, flatulence and colic pain. Ajwain seeds possess carminative, antimicrobial and liver protective properties. It is also known to have blood pressure lowering and bronchodilatory (substance that increases airflow to the lungs) properties. Ajwain water is an effective home remedy for indigestion and acidity.