Study product Daily study dose Daily EPA dose Daily DHA dose Daily EPA+DHA dose a Prescription fish oil 2 caps twice daily (4.0 g oil) 1860 mg 1500 mg 3360 mg b Supplemental fish oil c2 caps twice daily (5.6 g oil) 2588 mg 1012 mg 3340 mg c Krill oil blend 4 caps twice daily (4.0 g oil) 600 mg 360 mg 960 mg a Omega-3 fatty acids provided as ethyl esters b One cap was omitted twice weekly in unit-dose packaging to provide a comparable weekly amount of EPA+DHA to prescription fish oil c Also provided 6 mg astaxanthin daily; manufacturer reported 50-65% krill oil + 30-48% fish oil DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid

Table 1: Content of the omega-3 fatty acid study products.