Flowers are a sweet addition to salads or as a garnish and young seedpods are Steamed. This plant was a staple food for many Native American tribes. GLA is an essential fatty acid that the body does not manufacture. This fatty acid is known to help prevent hardening of the arteries, heart disease, eczema, cirrhosis, rheumatoid arthritis, menopause, PMS, multiple sclerosis, and high blood pressure. It has a positive effect on sex hormone response including the hormones estrogen and testosterone, aids in lowering cholesterol levels, and is important in treating cirrhosis of the liver.
Research also demonstrates that primrose oil helps relieve pain and inflammation.
The oil also has a positive effect on the uterine muscles, nervous system and metabolism. The bark and the leaves are astringent and sedative. They have proved of use in the treatment of gastro-intestinal disorders, whooping cough and asthma. A tea made from the roots is used in the treatment of obesity. A finely ground powder made from the flowering stems is used cosmetically in face-masks to counteract reddened skins .