It is commonly believed that omega-3 supplements can protect one against heart disease, but new research indicates otherwise
New evidence shows that omega-3 supplements have little or no effect on our risk of experiencing heart disease, stroke or death.
This is according to a review of 79 randomised trials, involving 112 059 people, which assessed the effects of consuming additional omega-3 fat.
What is omega 3?
Omega 3 is a type of fat. Small amounts of omega-3 fats are essential for good health, and they can be found in the foods that we eat.
The main types of omega-3 fatty acids are alphalinolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA).
ALA is normally found in fats from plant foods, such as nuts and seeds (walnuts and rapeseed are rich sources). EPA and DHA, collectively called ‘long-chain’ omega-3 fats, are naturally found in fatty fish, such as salmon, and fish oils like cod liver oil.
Most review studies investigated the impact of giving a long-chain omega-3 supplement in a capsule form and compared it to a dummy pill. Only a few assessed whole fish intake.
Source: University of East Anglia via www.sciencedaily.com
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