Intake of n-3 fatty acids from fish does not lower serum concentrations of C-reactive protein in healthy subjects
2004
Geelen, A. | Brouwer, I.A. | Schouten, E.G. | Kluft, C. | Katan, M.B. | Zock, P.L.
Objective: High-sensitivity C-reactive protein (CRP), a marker of systemic inflammation, is a powerful predictor of cardiovascular risk. We hypothesised that n-3 fatty acids reduce underlying inflammatory processes and consequently CRP concentrations in healthy middle-aged subjects. Design: Placebo-controlled, double-blind study. Subjects: A total of 43 men and 41 postmenopausal women aged 50-70 y. Before and after intervention, we measured serum CRP concentrations with an enzyme immunoassay. Interventions: Capsules with either 3.5 g/day fish oil (1.5 g/day n-3 fatty acids) or placebo for 12 weeks. Results: The median CRP change in the fish oil group did not significantly differ from that in the placebo group (0.01 vs -0.17 mg/l, P = 0.057). Conclusion: The currently available data -including ours- do not support that beneficial effects on CRP are involved in a mechanism explaining the protective effect on heart disease risk of n-3 fatty acids as present in fish.
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