Solgar Super Cod Liver Oil Complex with EPA DHA Vitamin A and D is a formula rich in essential fatty acids and Vitamin A and Vitamin D. The product is derived from deep-sea, cold-water fish and has been molecularly distilled to remove harmful contaminants. Cod liver is a rich source of essential vitamins including Vitamin A and D, as well as fatty acids. Vitamin D is a fat-soluble vitamin that supports optimal wellbeing, the benefits of the "sunshine vitamin" are numerous and well documented, but particularly for immune health. With over a billion people worldwide with very low levels of vitamin D, in addition to changing your diet and lifestyle.