Evening Primrose Oil by Nutravita – Extracted from the seeds of the evening primrose (Oenothera biennis), each softgel provides 1000 mg of oil, including 90 mg gamma-linolenic acid (GLA). The formula is combined with vitamin E (10 mg), which contributes to the protection of cells from oxidative stress, and vitamin B6, which contributes to the reduction of tiredness and fatigue and the regulation of hormonal activity (EFSA approved claims).