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Taking omega 3 supplements may have little impact on lowering the risk of heart disease, stroke and death, a new Cochrane systemic study found, upsetting previous notions regarding positive effects on the heart.
Alphalinolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) are the main types of omega 3 fatty acids.
The new systematic review published in the Cochrane Library is a combination of 79 randomized controlled trials (RCTs) out of 112,059 people who tested for 12 to 72 months and included adults with varying cardiovascular risk – mostly in high-income countries – who were taking LCn3 supplement capsules and some took LCn3. – or ALA-rich supplements or fortified foods over placebo or a regular diet.
The results showed that there was little or no difference in all types of mortality, cardiovascular deaths. "The increase in EPA and DHA has little or no effect on all-cause death and cardiovascular events and probably makes little or no difference in terms of cardiovascular deaths, coronary deaths or cardiovascular events. The researchers wrote that both slightly reduce serum triglycerides and increase "good" HDL cholesterol
"Although EPA and DHA reduce triglycerides, additional omega-3 fatty acids are probably not helpful for prevent or treat heart and circulatory diseases, "they said." However, increasing herbal ALA may be mildly protective for certain heart and circulatory diseases. "
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