A method of stimulating resolution of inflammation in a subject in need thereof, the method comprising administering to the subject an effective amount of a composition comprising fatty acids including 18-hydroxy-eicosapentaenoic acid (18-HEPE), 17-hydroxy-docosahexaenoic acid (17-HDHA), 14-hydroxy-docosahexaenoic acid (14-HDHA), 10-hydroxy-docosahexaenoic acid (10-HDHA), 4-hydroxy-docosahexaenoic acid (4-HDHA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), wherein the fatty acids are in ethyl ester form and the 17-HDHA is present in an amount of at least 100 mg/L.