Visvairāk zivju eļļas ir plēsīgajās zivīs, piemēram, haizivīs un zobenzivīs, bet, lai izvairītos no toksiskām vielām, cilvēku uzturā visbiežāk izmanto lašu, makreļu, anšovu un sardīņu eļļu.
↑Moghadasian,Mohammed H.(2008)."Advances in Dietary Enrichment with N-3 Fatty Acids".Critical Reviews in Food Science and Nutrition48(5): 402–10.doi:10.1080/10408390701424303.PMID18464030.(angliski)
↑Su,Kuan-Pin;Huang,Shih-Yi;Chiu,Chih-Chiang;Shen,Winston W.(2003)."Omega-3 fatty acids in major depressive disorder".European Neuropsychopharmacology13(4): 267–71.doi:10.1016/S0924-977X(03)00032-4.PMID12888186.(angliski)
↑Naliwaiko,K.;Araújo,R.L.F.;Da Fonseca,R.V.;Castilho,J.C.;Andreatini,R.;Bellissimo,M.I.;Oliveira,B.H.;Martins,E.F.et al.(2004)."Effects of Fish Oil on the Central Nervous System: A New Potential Antidepressant?".Nutritional Neuroscience7(2): 91–9.doi:10.1080/10284150410001704525.PMID15279495.(angliski)
↑Green,Pnina;Hermesh,Haggai;Monselise,Assaf;Marom,Sofi;Presburger,Gadi;Weizman,Abraham(2006)."Red cell membrane omega-3 fatty acids are decreased in nondepressed patients with social anxiety disorder".European Neuropsychopharmacology16(2): 107–13.doi:10.1016/j.euroneuro.2005.07.005.PMID16243493.(angliski)
↑Yehuda,Shlomo;Rabinovitz,Sharon;Mostofsky,David I.(2005)."Mixture of essential fatty acids lowers test anxiety".Nutritional Neuroscience8(4): 265–7.doi:10.1080/10284150500445795.PMID16491653.(angliski)