Hing comes from the resin of giant fennel plants that grow wild in Afghanistan and Iran. In Persian and Indian cuisine, Hing is widely used as a seasoning or spice, or as a condiment to be sprinkled over cooked food.What’s more, Hing is believed to have a number of traditional medicinal uses in India and beyond. In India, it's believed to help with everything from kidney stones to bronchitis. In Afghanistan, it's thought to cure whooping cough and ulcers. In Egypt, it's considered a diuretic