Holland & Barrett's Pure Cod Liver Oil is high in essential omega-3 fatty acids and is also an excellent source of Vitamins A and D. Contains the essential fatty acids DHA and EPA. DHA contributes to the maintenance of normal brain function and vision. These beneficial effects are obtained with a daily intake of 250mg of DHA. When combined, EPA and DHA contribute to the normal function of the heart. These beneficial effects are obtained with a daily intake of 250mg of EPA and DHA. Both Vitamins A and D contribute normal immune system function. Vitamin A also contributes to the maintenance of normal skin, whilst Vitamin D contributes to the maintenance of normal bones and muscle function. Holland & Barrett's Pure Cod Liver Oil is high in essential omega-3 fatty acids and is also an excellent source of Vitamins A and D. Contains the essential fatty acids DHA and EPA. DHA contributes to the maintenance of normal brain function and vision. These beneficial effects are obtained with a daily intake of 250mg of DHA. When combined, EPA and DHA contribute to the normal function of the heart. These beneficial effects are obtained with a daily intake of 250mg of EPA and DHA. Both Vitamins A and D contribute normal immune system function. Vitamin A also contributes to the maintenance of normal skin, whilst Vitamin D contributes to the maintenance of normal bones and muscle function.