Archive | Fish oil

Omega-3 no protection against heart attack or strokes

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Posted 19 July 2018

Omega-3 no protection against heart attack or strokes, say scientists

Supplements do not offer cardiovascular benefits, researchers conclude from trials involving 112,000 people

Sarah Boseley Health editor The Guardian 18 Jul 2018

The widespread belief that taking omega-3 capsules will help protect you from a heart attack, stroke or early death is wrong, according to a large and comprehensive review of the evidence.

Thousands of people take omega-3 supplements regularly and for years. The belief that it protects the heart has spread – and is promoted in the marketing of the supplements – because the results from early trials suggested the capsules had cardiovascular benefits.

Small amounts of omega-3 fatty acids, are essential for our health. Omega-3 fats are found in certain foods – most famously in oily fish such as salmon and cod liver oil, which contain the long chain fats called eicosapentaenoic acid (EPA), Read the rest

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Fish oil supplementation not supported in new meta-analysis

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Posted 27 June 2018

A meta-analysis of 10 randomized controlled trials involving 77,917 individuals found no evidence that a mean of 4.4 years of supplementation with marine-derived omega-3 fatty acids was effective in preventing fatal or nonfatal coronary heart disease, strokes, or the need for procedures to restore circulation. The supplementation was also ineffective in preventing these cardiovascular outcomes in subgroups of individuals at elevated risk.

Reference: Aung T. Associations of omega-3 fatty acid supplement use with cardiovascular disease risks. JAMA Cardiology 3:225-234, 2018

The findings do not support the conclusion of a 2017 science advisory from the American Heart Association which suggested that fish oil supplementation is reasonable treatment for people with coronary heart disease but was based on only one trial of patients with heart failure. Both the 2017 science advisory and the new meta-analysis agreed that there is no evidence of benefit from fish oil supplementation Read the rest

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