Mega EPA/DHA 360/240 mg, 120 Softgels, Life ExtensionLife Extension Mega EPA DHA Omega 3 Essential Fatty Acid Formula. From Fish Oil Concentrate. The body needs fatty acids to survive and is able to make all but two of them: linoleic acid (LA), in the omega 6 family, and alpha linolenic acid (ALA) in the omega 3 family. These two fatty acids must be supplied by the diet and are therefore considered essential fatty acids (EFAs). Omega 3 fatty acids, found in coldwater fish (and fish oil), perilla and