Evening primrose oil has been used to supplement the
diet of deficient individuals as well as
for a variety of inflammatory, hormonal, and immune diseases and includes atopic dermatitis (a skin condition), depression, diabetes, irritable bowel syndrome, premenstrual syndrome and menopause, rheumatoid arthritis, and a variety of others. Symptoms of fatty acid deficiency include fatigue, dry skin and hair, cracked nails, arthritis, and dry mucous membranes.