Is the Omega-3 Index test useful ?

The Omega-3 Index test measures the amount of EPA and DHA, the two long-chain omega-3s found in marine sources, in red blood cell membranes, expressed as a percentage of the total fatty acids in the membrane

Most Americans have an index of 4% to 5% of EPA/DHA in their red blood cell membranes, and the target is between 8% to 12%. To raise your index from 5% to 8%, you need roughly 1,000 mg to 1,200 mg of EPA/DHA per day

Higher omega-3 index has been linked to better health across the board, and appears to lower the risk of most, if not all, chronic diseases 

Another ratio commonly referred to is the omega-6 to omega-3 ratio, but this ratio is not nearly as useful or important as the omega-3 index

EPA and DHA help thin the blood, lower the risk of stroke and heart attack, lower serum triglyceride levels, blood pressure and inflammation, add structural stability to the mitochondrial membrane and aid mitochondrial energy processes

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