especially rheumatoid arthritis, where studies with GLA show significant improvement in joint. stiffness, swelling, and overall discomfort. Skin conditions such as eczema, psoriasis, and acne where research has shown that eczema may be linked. help restore the gastrointestinal lining & heal ulcerations (improving nutrient absorption & food. Evening primrose oil may help support relief from pre-menstrual syndrome (PMS), symptoms of menopause, and fibrocystic breast pain due to hormonal changes during menstruation.