Ultra™ Fish Oils Is A Range Of Fish Oils Designed To Meet The Highest Quality Standards Appealing To Discerning And Informed Fish Oil Customers. Ultra™ 2-In-1 Liquid Is A Unique High Strength Formula That Conveniently Provides The Benefits Of Both Omega-3 Fish Oil And Cod Liver Oil In A 50:50 Ratio. The High-Grade Oils Used Provide Rich Sources Of The Essential Fatty Acids, Dha (Docosahexaenoic Acid) Which Contributes To The Maintenance Of Normal Vision & Brain Function Together With Epa (Eicosapentaenoic Acid) Which Contributes To Normal Heart Function. More Than Just Fish Oils… Ultra™ 2-In-1 Liquid Provides A Valuable Source Of Natural Vitamins Too. Vitamin D3 This Vitamin Is Produced Within The Body When The Skin Is Exposed To The Sun, Some People Do Not Get Enough Exposure To Generate Adequate Vitamin D In Their Body, Especially In The Winter. Vitamin D Is Best Known For Its Role In The Maintenance Of Normal Bones And Teeth And Can Contribute To The Normal Function Of The Immune System. Vitamin E Is An Essential Nutrient And Protective Antioxidant, Ultra™ 2-In-1 Liquid Contain Vitamin E, Which Contributes To The Protection Of Cells From Oxidative Stress And Helps To Protect The High Purity Oil.