Canola oil as far as I know is the most refined oil on the market. One of the processing steps adds trans fats, and another adds synthetic antioxidants because of the naturally low saturated fat content. You may be fine betting your health on a as of yet “not proven unhealthy” oil but why risk it when you can use something like olive oil which contain beneficial polyphenols and antioxidants and doesn’t need to be processed in 10 different ways to be deemed safe for consumption
