Episode
Episode 18: EPA and DHA — The Omega-3 Molecules That Help Build a Better Brain, Heart, and Body
- Published
- Jun 23, 2026
- Duration seconds
- 828
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Summary
EPA & DHA Omega-3s: The Molecules That Support Your Brain, Heart, and Healthy Aging In this episode of Molecules Matter with Dr. Dan , we explore EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid)—two of the most extensively studied omega-3 fatty acids in nutritional science. EPA and DHA are more than just dietary fats. They serve as structural components of cell membranes and help support communication between cells throughout the body. These remarkable molecules are concentrated in the brain, eyes, heart, and immune system, making them essential for overall health and wellness. You’ll learn: • What EPA and DHA are and how they differ from other fats • Why these omega-3s are critical for brain structure and cognitive function • How EPA helps support healthy inflammatory responses • The role of omega-3s in cardiovascular health and triglyceride management • Why DHA is highly concentrated in the retina and supports vision health • The connection between omega-3s, mood, and emotional well-being • Why plant-based omega-3s convert poorly into EPA and DHA • The best food sources of marine omega-3s • What to look for when choosing an omega-3 supplement Key Takeaways ✔ DHA is one of the most abundant fats in the brain and supports healthy neuronal communication. ✔ EPA serves as a precursor to signaling molecules involved in maintaining balanced inflammatory responses. ✔ Omega-3 fatty acids have been shown to support healthy triglyceride levels, blood vessel function, and overall cardiovascular wellness. ✔ The retina contains exceptionally high levels of DHA, highlighting its importance for visual function. ✔ The body’s conversion of plant-derived ALA into EPA and DHA is limited, making direct dietary sources valuable. ✔ Fatty fish such as salmon, sardines, herring…