DHA (DocosaHexaenoic Acid omega-3) is a building block for the cell membranes that manage life processes. This vitamin-like nutrient and others metabolically derived from it are vital to mental performance heart and blood vessel health vision immunity and wound healing and all the organ functions. Best DHA 500 from Calamari is produced from sustainably harvested squid and double molecularly distilled to ensure purity.Other products from HerbsPro