The present application relates to invention a solid composition comprising omega-3 polyunsaturated fatty acids (n-3 PUFA), or their alkyl esters, and resveratrol, adsorbed on an inert substrate and wherein the recovery of omega-3 is at least 96% after 6 months at 25°C. The composition according to the present invention can be formulated as food supplement or medicament for preventing or treating cardiovascular diseases due to lipid metabolism disorders and increased platelets aggregation； damages due to free radicals selected from the group consisting of atherosclerosis, cancer, inflammatory joint disease, asthma, diabetes, senile dementia and degenerative eye disease； and/or viral diseases.
