Garlic belongs to the onion family and is a close relative of plants like shallots, leeks, chives, etc. It has been used throughout the world for culinary as well as medicinal purposes. It has a pungent and spicy flavor, which mellows and sweetens to a considerable extent while cooking. It can be consumed in different forms like granulated, powdered, flavored oil, flakes, etc. Each one of these can be substituted for the other.