Immunotropic and anti-tumor effects of plant adaptogens. II. Oenothera L. (Evening primrose)

This paper describes some beneficial and also some unwanted effects of evening primrose oil (EPO) feeding on the cells of immune system. Evening primrose oil is a rich source of omega-6 essential fatty acids [γ-linolenic acid (GLA) and linoleic acid (LA)]. Some effects of EPO and essential fatty acids on tumor cells are also described.