- Higher levels of EPA and DHA than you will find in most shop-bought cod liver oil products - The highest grade of cod liver oil - Also contains vitamin A, required for healthy skin, hair and nails - Plus vitamin D which is vital for healthy bones and teeth, and vitamin E - One-a-day product - Refined through a 5 stage purification process The most important ingredients in cod liver oil are the omega 3 fatty acids called EPA and DHA, and this one-a-day product from Lamberts has higher levels of these two healthy nutrients than you will find in most shop-bought cod liver oil products. Lamberts High Strength Cod Liver Oil capsules are manufactured in the UK in factories working to GMP pharmaceutical standards. They use the highest grade of cod liver oil all available which is refined through a 5 stage purification process to remove the natural fishy odour and to ensure the oil is pure. In addition to the omega 3 content, our capsules also provide the recommended daily amount of vitamins A, D and E. There has been much in the press recently about the importance of vitamin D and it is possible that the traditional view of the health benefits of cod liver oil may always have been due, at least in part, to the vitamin D it was providing.