Omega 3s may reduce blood pressure: research

Daily doses of the omega 3 fatty acids may reduce blood pressure, and lower cardiovascular disease risk, according to a recent study, the Blackmores Institute reports.

The double-blind, placebo-controlled crossover trial, recently published in the Journal of Nutrition studied more than 300 men and women.

The participants took a control oil supplement, or fish oil supplements providing 0.7g, or 1.8g of eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) per day, in a random order each for 8 weeks.

The UK based researchers found that daily doses of 0.7g of EPA and DHA per day for eight weeks, led to a 5.20mmHg reduction in systolic blood pressure, while a daily dose of 1.8g of EPA and DHA per day led to a reduction in systolic blood pressure of 5.30 mmHg.

According to the researchers, the main finding is that intakes of EPA and DHA, achievable through the consumption of two to three portions of oily fish per week, or two fish oil capsules per day, reduced systolic blood by 5mmHg in those with systolic hypertension. “Such a reduction in blood pressure would be associated with an approximately 20% reduction in cardiovascular disease in middle age.”

The doses used in this trial are significantly lower (40-90%) than those used previous meta-analyses, and indicate that people with systolic hypertension, that lower doses may have a substantial benefit, say researchers.

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