Supplementation of omega-3 fatty acids may reduce cardiovascular reactivity to stress.

Preliminary evidence that acute long-chain omega-3 supplementation reduces cardiovascular reactivity to mental stress: A randomized and placebo controlled trial.
Ginty AT, Conklin SM.
Department of Psychology and Neuroscience Program, Allegheny College, Meadville, PA, USA.
Exaggerated cardiovascular reactivity predicts cardiovascular morbidity and mortality. Some evidence suggests that omega-3 fatty acids improve cardiovascular function. The objective of this study was to examine the influence of an acute low dose of long-chain omega-3 fatty acids on young, healthy individuals.

Participants (n=34) were randomly assigned to either 21-days of omega-3 fatty acids (1.4g EPA and DHA) or matched placebo. Cardiovascular measurements were obtained in the laboratory during baseline and during a standard mental arithmetic task, where participants were instructed to engage in serial subtractions by 17s from a four-digit number and cardiovascular reactivity to the task was calculated.

Mean arterial pressure reactivity was significantly reduced by supplementation (F(1,32)=5. 12, p=.03, η(2)=.144) but not by placebo.

Supplementation of omega-3 fatty acids may reduce cardiovascular reactivity to stress.

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