Barley water is a nutritious drink made by boiling barley grains in water and then straining the mixture. It has been consumed for centuries and is known for its health benefits, including hydration and digestive support. The drink is often enjoyed warm or cold and can be flavored with lemon or honey. Rich in vitamins and minerals, barley water is low in calories and can be a refreshing alternative to sugary beverages. It is also sometimes used as a home remedy for various ailments, such as urinary tract infections and kidney stones, due to its diuretic properties.