n3 fatty acids are a family of unsaturated fatty acids which have in common a carboncarbon double bond in the n3 position; that is, the third bond from the end of the fatty acid. Important nutritionally essential n3 fatty acids are: -linolenic acid , eicosapentaenoic acid , and docosahexaenoic acid . The human body cannot synthesize n3 fatty acids de novo, but it can form 20- and 22-carbon unsaturated n3...