To supplement Evening Primrose Oil 1000mg of Quest is a rich source of anti-inflammatory omega-6 fatty acid GLA. The GLA helps regulate hormones and the menstrual cycle to relieve the symptoms of premenstrual syndrome (PMS). It also supports cardiovascular health, improve skin health and can help in cases of eczema or dermatitis. The GLA are considered beneficial during pregnancy because it strengthens the infant growth and development including the functioning of the eye and brain and breast-feeding because it helps to regulate hormones and cycle and reduce the pain and swelling in the chest.