special subjects
Fish Oil
Introduction
 may be consumed by eating fish, extracted directly, or concentrated and put in capsule form. Active ingredients are omega-3 fatty acids (eicosapentaenoic acid [EPA] and docosahexaenoic acid [DHA]). Recently, genetically engineered yeast strains that can naturally produce substantial amounts of these oils have been engineered and are providing another source ( References ). Western diets typically are low in omega-3 fatty acids. (Other non-fish dietary sources of omega-3 fatty acids are walnuts and (See also Overview of Dietary Supplements and 