Essential Oils are non-nutritive plant chemicals that have protective and/or disease preventive properties. They are non- nutrients, meaning that they do not provide vitamins or minerals. It is well-known that plant produce these chemicals to protect themselves but recent research demonstrate that they can also protect humans against diseases. There are more than thousand known plant chemicals (phytochemicals). Some of the well-known phytochemicals are lycopene in tomatoes, isoflavones in soy and flavanoids in fruits. Essential Oils pocsess anti-viral, anti-bacterial, anti-fungal, anti-cancer, anti-inflammatory properties.