Variable (%) Prescription Fish Oil
(3360 mg)
Supplemental Fish Oil
(3340 mg)
  Krill Oil Blend
(960 mg)
Group
P-value
    PrePost Change   Pre Post Change   Pre PostChange  
Omega-3 Index 4.1 ± 1.3 7.3 ± 1.23.2 ± 0.9*ƚ 4.3 ± 1.67.6 ± 1.73.3 ± 0.8*ƚ 4.4 ± 1.26.5 ± 1.42.2 ± 1.0ƚ 0.01
EPA 0.4 ± 0.192.0 ± 0.51.6 ± 0.5*ƚ 0.5 ± 0.32.5 ± 0.62.1 ± 0.5*ƚ 0.4 ± 0.21.4 ± 0.41.0 ± 0.4ƚ <0.0001
DHA 3.7 ± 1.1 5.3 ± 0.81.7 ± 0.7ƚ 3.8 ± 1.45.1 ± 1.11.3 ± 0.5ƚ 3.9 ± 1.05.1 ± 1.11.2 ± 0.7ƚ 0.23
Total Omega-6 35.4 ± 1.0 31.4 ± 1.3-4.1 ± 1.0ƚ 34.5 ± 2.330.9 ± 1.5-3.6 ± 1.3ƚ 34.7 ± 2.731.9 ± 2.5-2.8 ± 1.2ƚ 0.07
Arachidonic acid 15.5 ± 1.013.5 ± 1.1-1.9 ± 0.8*ƚ 15.4 ± 1.414.0 ± 1.2-1.4 ± 0.5ƚ 15.0 ± 1.414.1 ± 1.6-1.0 ± 1.0ƚ 0.04
Change score different than krill oil blend (Tukey-adjusted p<0.05)
ƚDifferent from baseline (p<0.05)
DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid
Table 4: Overall effect on selected red blood cell fatty acids of three omega-3 products (LS means ± SEM).