Garlic oil is the essential oil derived from Garlic. It is usually prepared using steam distillation. It is used in cooking and as a seasoning a nutritional supplement and also as an insecticide. Garlic oil typically has a pungent odour and a yellow-brownish coloration. Garlic is rich antibacterial antifungal and antiviral properties make it a natural healing agent as well. Garlic has anti-microbial anti-fungal and anti-biotic properties. It has been used for both food and medicine for thousands of years.