Note that if you were to take a purified flaxseed oil, you would get the omega-3s but not the
fiber or phytochemicals naturally present in
flax. You would avoid the cyanogenic compounds, but the risk of rancidity would remain.
If you are interested in using flaxseed oil, look for a brand that contains all the beneficial compounds found in the intact seed. These include the phytochemicals known as lignans.
Flaxseed oils should be stored in the refrigerator or freezer.