Vitaminy s antioksidantnymi svoystvami, yavlyayushchiesya soedineniyami, ne imeyushchimi prakticheski kakikh-libo protivopokazaniy, isklyuchaya individual'nuyu neperenosimost', v perimenopauzal'nom periode i pri zamestitel'noy gormonal'noy terapii, osushchestvlyaemoy na fone medikamentoznogo eutireoza, a takzhe pri prieme oral'nykh kontratseptivov sushchestvenno ogranichivayut gemokoagulyatsionnye sdvigi, svyazannye s voznikayushchey v etikh sluchayakh gipertrombinemii, snizhaya etim risk tromboticheskikh oslozhneniy.