Cold Pressed Hexane Free 240 mg of Gamma-Linolenic Acid Per Softgel Dietary Supplement Borage is a cold pressed, hexane free and stabilized oil from borage seeds (Borago officinalis). Borage Oil is the highest-potency source of GLA available. GLA is an important omega-6 fatty acid needed for the production of beneficial postraglandins (hormone-like-compounds), which play an important role in promoting immune regulation.