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Omega-3 Index

Meaning

The Omega-3 Index is a standardized, clinically relevant biomarker that quantifies the percentage of Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA) combined in the total fatty acids found within red blood cell membranes. This measure serves as a reliable, long-term indicator of an individual’s systemic omega-3 status, which is critical for cellular membrane fluidity, reduced cardiovascular risk, and optimized inflammatory signaling. An optimal index is strongly correlated with superior hormonal receptor function and neurocognitive health.