The present invention relates to a mixture and a composition comprising linseed oil and hempseed oil having a balanced omega-3 and omega-6 ratio and/or a volume/volume ratio between linseed oil and hempseed oil comprised between 60:40 and 95:5. The invention also relates to a process for obtaining a nanoemulsion from a composition of linseed oil and hempseed oil and the nanoemulsion thus obtained. Finally, a further aspect of the invention relates to the use of said composition and/or nanoemulsion as a nutraceutical, in particular as a special purpose food, functional food or food supplement, and for curative/preventive purposes.