What is evening primrose oil? Evening primrose oil is an herbal supplement made from the seeds of the evening primrose plant (its botanical name is Oenothera biennis). The oil contains omega-6 ...
Medically reviewed by Melissa Nieves, LND Evening primrose has been studied for conditions related to menstruation and ...
Evening primrose (Oenothera biennis) is a flower native to North America that’s also found in Europe and parts of the Southern Hemisphere. EPO contains high levels of gamma-linolenic acid (GLA ...