A study of 768 acute coronary syndrome (ACS) patients and 768 healthy controls matched for age, sex, and race, found that those with an Omega-3 Index greater than 8% were 70% less likely to be an acute coronary syndrome patient than those with an Omega-3 Index less than 4%.

O3 acute coronary chart Block RC

What is Acute Coronary Syndrome?

According to the Mayo Clinic, acute coronary syndrome (ACS) is a medical term used for any coronary event that involves sudden and reduced flow to the heart. It could include symptoms of chest pain or light-headedness, or conditions of unstable angina or heart attack.

By looking at the association of Omega-3 Index and ACS, Omega-3 Index appears to be an indicator of overall heart health.

Is your Omega-3 Index level less than 4%?

Are you in the ‘red zone’? It is likely you are, as the US has an average Omega-3 Index level of around 4%. The only way to know for sure is to test.

Omega-3 Index GrassrootsHealth


EPA and DHA in blood cell membranes from acute coronary syndrome patients and controls
RC Block et al.
April 2008
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