Eicosapentanoic acid (EPA) is a fatty acid with the chemical formula c20h30o2 and one of the omega-3 fatty acids.<br> < br>three fatty acids constituting the omega-3 family are alpha-linolenic acid (ALA), eicosapentaenoic acid(EPA) and ducosahexaenoic acid(DHA). Alpha-linolenic acid (ALA) is found in walnuts and some types of plants. There are two other fatty acids, eicosapentaenoic acid (EPA) and vedocosahexaenoic acid (DHA) in fish such as salmon, including in fish oil and supplements. Fatty acids n-3(carbon-thirds of garlic, not), which in terms of nutrition are very important alpha-linolenic acid(ALA), the acid (DHA) and acid (EPA) are all multiple are. The human body the ability to build and synthesis up, fatty acids, n-3 from molecules other does not, but can be long chain 2022 carbon fatty acids n-3 like EPA and DHA from short chain of eight carbon ALA form.