What is nature's truth evening primrose oil 500mg? The oil extracted and cold pressed from the seeds of the evening primrose oenothera biennis plant, native to north america, is a rich source of the omega 6 fatty acids linoleic acid and gamma linolenic acid gla. What are the key features? 500mg of premium quality evening primrose oil a source of gamma linolenic acid gla dairy free gluten free wheat free sugar free ingredients what are the ingredients? Evening primrose oil, gelatin, humectant glycerin. Ingredients usage how to use nature's truth evening primrose oil 500mg for adults, take one 1 softgel daily, preferably with a meal. Do not exceed the stated dose.usage warnings precautions to consider before taking nature's truth evening primrose oil 500mg food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. If you are pregnant, breastfeeding, taking medication or have a medical condition, consult a doctor before use. For adults over 18 only do not use if seal is broken keep out of reach of children. Store in a cool, dry and dark place. If any adverse reaction occurs, stop use and consult a doctor. Warnings