Looking to support an active lifestyle with a well-balanced diet? EFA Super DHA 500 is an essential fatty acid derived from Calamarine® EE marine oil, and is best known for containing EPA (eicosapentaenoic acid), and DHA (docohexaenoic acid), which helps maintain brain function and vision. Each softgel from Swanson Health contains 675mg of omega-3, equivalent to 500mg DHA. Looking to support an active lifestyle with a well-balanced diet? EFA Super DHA 500 is an essential fatty acid derived from Calamarine® EE marine oil, and is best known for containing EPA (eicosapentaenoic acid), and DHA (docohexaenoic acid), which helps maintain brain function and vision. Each softgel from Swanson Health contains 675mg of omega-3, equivalent to 500mg DHA. Essential fatty acid derived from calamari. 244mg DHA per serve. DHA supports brain function and normal vision. 30 softgels per pack EFA Super DHA 500 from Calamari is an Omega-3 supplement. It provides 500 mg of DHA. It contributes to the maintenance of normal brain function.