Oils are used every day to prepare and cook food. How do we choose an oil that is the healthiest? The type of oil in the diet can have a positive or negative effect on our health depending on the following factors; the source of the oil, the amount of antioxidants found in the oil, the fat profile of the oil; is it mainly saturated or unsaturated fat or does it contain trans fats? And lastly, what types of cooking methods or meal preparation is a particular oil most suitable for. This Oil Comparison section is designed to help you choose the most suitable oil for your health.