Flaxseed oil is available in liquid and soft gel capsules. This oil requires special packaging because it is easily destroyed by heat, light and oxygen. Some forms of flaxseed oil may require refrigeration.Flaxseed is found in all kinds of today's foods from crackers to frozen waffles to oatmeal. The Flax Council estimates close to 300 new flax-based products were launched in the U.S. and Canada in 2010 alone. Not only has consumer demand for flaxseed grown, agricultural use has also increased. Flaxseed is what's used to feed all those chickens that are laying eggs with higher levels of omega-3 fatty acids.