Canzana CBD Oil UK Plant sources of Omega 3 include flaxseed oil, CBD Oil, soybeans, navy beans, walnuts and tofu (soy protein). Plant sources contain ALA a long chain fatty acids that breaks down into DHA and EPA to be used by the body. It is considered an indirect source and may not be as effective as fish or fish oil which are direct sources.In order to maximize the nutritional value of your foods eat them in as natural a state as possible. Avoid processed foods as they are loaded with added sodium. Canned foods also have extremely high amounts of sodium.