Why don’t the EPA and DHA values add up to the Omega-3 Index on my dried blood spot (DBS) report?

by | Jun 15, 2020

Whole blood and RBCs are different starting materials and the EPA+DHA content of each is different, but highly correlated. Based on multiple experiments, we have derived a mathematical equation that converts the DBS EPA+DHA value into the corresponding RBC value (which is the Omega-3 Index). Therefore, the sum of EPA and DHA in the DBS report will usually be slightly different from the Omega-3 Index.

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