delivers 280mg of omega 3 and 10µg of vitamin d3 per capsule ,for the maintenance of normal vision*, brain function*, heart function** and blood pressure***,easy-to-swallow, taste-free, one-a-day cod liver oil capsules for more information, please read our |vitamin d faq//b111//class=f-brand !important|our cod liver oil capsules comprise a unique, high-strength, pure-grade formula, delivering an impressive 280mg of omega 3 fatty acids per capsule (twice the strength of cheaper cod liver oil capsules on the market!).cod liver oil is also a naturally rich source of vitamins a and d3. our cod liver oil capsules contain 100% of the nutrient reference value (nrv) for vitamin a and 200% of the nrv for vitamin d3, alongside generous amounts of vitamin e, which we\'ve included for its antioxidant properties.we insist on strict quality standards for our cod liver oil capsules. our formula is made to good manufacturing practice (gmp) in uk factories, where they use a sophisticated five-stage purification process to remove any fishy aftertaste and ensure the highest purity levels. owing to this advanced technology, our capsules are well below the permitted safe levels for pcbs and mercury set by the european commission (ec) and the global organisation for epa and dha omega-3s (goed). we\'ve formulated our cod liver oil as capsules instead of tablets, as a soft-gel shell casing is better suited to oil-based materials. using capsules over tablets also further guarantees our formula is taste-free and odour-controlled. as you would expect, this formula does contain fish. but if you\'re vegan, vegetarian, or allergic to fish, don\'t worry. we have a great selection of plant-based omega 3 products, including |veg omega-3 oil//p569//class=f-brand !important| and |flax seed oil 1000mg//p559//class=f-brand !important|. still unsure if our cod liver oil capsules are for you? our team of expert nutrition advisors are on hand to help you make the right choice from our extensive fish oil offerings. simply click the \'nutrition advice\' button located at the bottom right-hand corner of our website to start a live chat with a member of our nutrition team.what does cod liver oil contribute to?cod liver oil contains the long-chain omega 3 fatty acids, epa (eicosapentaenoic acid) and dha (docosahexaenoic acid). dha contributes to the maintenance of normal vision* and brain function.* both dha and epa, on the other hand, contribute to the normal function of the heart** and to the maintenance of normal blood pressure.***our cod liver oil capsules supply 10µg of vitamin d3, which contributes to the maintenance of normal teeth, bones and calcium levels. vitamin d3 also contributes to the maintenance of normal muscle and immune function. * a beneficial effect is obtained with a daily intake of 250mg of dha ** a beneficial effect is obtained with a daily intake of 250mg of dha and epa ***a beneficial effect is obtained with a daily intake of 3 grams of dha and epa