Omega-3屬於「必需」的多元不飽和脂肪酸，無法經人體自身合成，這些脂肪酸是身體細胞的細胞膜成分之一， 並維持體內各個器官運作健康正常。由於人體不能自行製造，所以只可經由食物攝取 。

Omega-3多元不飽和脂肪酸包含 ALA、DHA及EPA三種脂肪酸。當中屬於長鏈脂肪酸的DHA和EPA對人體健康尤其重要。其主要來源，DHA含量最為天然豐富的是深海魚的魚油包括三文魚和吞拿魚，而ALA則可從植物中攝取。

Omega-3 有什麼健康好處？

Omega-3脂肪酸可有助維持心血管健康和舒緩關節不適，亦是維護大腦、行為及認知功能的重要營養素，對胎兒腦部發育尤其重要。Omega-3攝取量不足與情緒問題有關，令人容易低落、充滿戾氣和行為暴躁。

以上健康資訊內容只供參考用途，並不能取代專業醫生或醫護人員的建議、或本網站提供的產品資料，亦絕非用作診斷，治療、醫療或預防任何疾病。閣下在進行任何飲食、運動方案及服用健康補充產品前，服用藥物前、對身體健康狀況有懷疑時，宜先諮詢專業健康護理人員意見。閣下亦不應服用任何未經專業醫員人士處方的藥物。

參考資料：

• Alzheimers Dement. 2010 Nov;6(6):456-64. doi: 10.1016/j.jalz.2010.01.013.
• Beneficial effects of docosahexaenoic acid on cognition in age-related cognitive decline
• Am J Clin Nutr August 2013 ajcn.040766
• Long-term effects of LCPUFA supplementation on childhood cognitive outcomes
• Arch Ophthalmol. 2008;126(6):826-833. doi:10.1001/archopht.126.6.826.
• Dietary ω-3 Fatty Acid and Fish Intake in the Primary Prevention of Age-Related Macular DegenerationFREE
• Elaine W-T. Chong, MBBS; Andreas J. Kreis, MD; Tien Y. Wong, MBBS, PhD, FRANZCO; Julie A. Simpson, PhD; Robyn H. Guymer, MBBS, PhD, FRANZCO
• Hill AM, Buckley JD, Murphy KJ, Howe PR. Combining fish-oil supplements with regular aerobic exercise improves body composition and cardiovascular disease risk factors. Am J Clin Nutr. 2007;85(5):1267-74
• J Bone Miner Res. 2013 Mar;28(3):505-15. doi: 10.1002/jbmr.1772.
• The association of red blood cell n-3 and n-6 fatty acids with bone mineral density and hip fracture risk in the women's health initiative.
• J.L. Kim, A. Winkvist, M.A. Aberg et al., Fish consumption and school grades in Swedish adolescents: a study of the large general population, Acta Paediatr 99 (2010) 72-77.
• M.A. Aberg, N. Aberg, J. Brisman, R. Sundberg, A. Winkvist, K. Toren, Fish intake of Swedish male adolescents is a predictor of cognitive performance, Acta Paediatr 98 (2009) 555-560.
• Ryan, A. et al. Effects of Long-Chain Polyunsaturated Fatty Acid Supplementation on Neurodevelopment in Childhood: A Review of Human Studies. Prostglandins Leukot Essent Fatty Acids 82, 305-314 (2010).
• Schuchardt, J., Huss, M., Stauss-Brabro, M & Hahn, A. Effects of Long-Chain Polyunsaturated Fatty Acids (PUFAs) for the Development and Behavior of Children. Eur J Pediatr 169, 19-164 (2010).
• DHA supplementation and pregnancy outcomes.” Am J Clin Nutr 2013 ajcn.050021; First published online February 20, 2013
• http://www.nutraingredients.com/Research/Maternal-omega-3-supplements-reduce-preterm-birth-risk-Study?utm_source=copyright&utm_medium=OnSite&utm_campaign=copyright