Seven seas contain cod liver oil a rich and natural source of omega 3 fatty acids (DHA & EPA) and vitamins a and d. Seven seas is a safe natural and easy way to meet your nutrition needs: DHA helps brain development vitamins a and d support eyes bones and teeth omega 3 fatty acids and vitamins support immunity the foundation of a healthy life begins with good nutrition. At seven seas we understand how important the right nutrition is to you and your children and provide a range of products to meet your health needs. Seven seas are one of the world's leading health supplement brands with more than 80 years of experience and presence in more than 100 countries.