NOW Foods Omega 3-6-9 is a complete essential fatty acid (EFA) supplement. Most people are familiar with omega 3 fatty acids from fish or flax oil, but the right kinds of omega 6s are just as important. By combining vegetarian-source nutritional oils like flax (for omega 3s) and evening primrose (for omega 6s), NOW lets you cover all your EFA bases with one product. Omega 3s and omega 6s are like vitamins in that they are essential to health but must come from the diet since they cannot be made by the body. The EFA's in NOW 3-6-9 are indispensable factors for brain, heart and overall health. As with all NOW Foods products, you can put your absolute trust in the purity and potency of 3-6-9.