Nutritional Supplements
2026年06月12日
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Omega-3 Fatty Acids: The Key to Brain Health
Exploring the benefits of Omega-3 fatty acids for brain function, cardiovascular health, and optimal intake methods.
Sep 15, 2024
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Omega-3 fatty acids are essential polyunsaturated fatty acids for the body, with the three most important being EPA (eicosapentaenoic acid), DHA (docosahexaenoic acid), and ALA (alpha-linolenic acid). These fatty acids have broad and profound effects on human health.
Brain health is one of the most important functions of Omega-3. DHA is a major structural component of the brain and retina, accounting for about 40% of brain fat. Adequate DHA intake helps maintain cognitive function, improve memory, and may reduce the risk of cognitive decline and dementia.
Cardiovascular protection is another important benefit of Omega-3. EPA and DHA can lower triglyceride levels in the blood, reduce the risk of blood clot formation, and improve vascular endothelial function, thereby reducing the incidence of heart disease and stroke.
Anti-inflammatory effects make Omega-3 excellent in treating chronic inflammatory diseases. They can produce anti-inflammatory metabolites, helping to relieve inflammatory diseases such as arthritis and asthma.
The imbalance of Omega-6 to Omega-3 ratio in modern diets is a common problem. The ideal ratio should be 4:1 to 1:1, but in modern diets this ratio is often as high as 20:1, leading to a pro-inflammatory state.
Brain health is one of the most important functions of Omega-3. DHA is a major structural component of the brain and retina, accounting for about 40% of brain fat. Adequate DHA intake helps maintain cognitive function, improve memory, and may reduce the risk of cognitive decline and dementia.
Cardiovascular protection is another important benefit of Omega-3. EPA and DHA can lower triglyceride levels in the blood, reduce the risk of blood clot formation, and improve vascular endothelial function, thereby reducing the incidence of heart disease and stroke.
Anti-inflammatory effects make Omega-3 excellent in treating chronic inflammatory diseases. They can produce anti-inflammatory metabolites, helping to relieve inflammatory diseases such as arthritis and asthma.
The imbalance of Omega-6 to Omega-3 ratio in modern diets is a common problem. The ideal ratio should be 4:1 to 1:1, but in modern diets this ratio is often as high as 20:1, leading to a pro-inflammatory state.
Benefits & Effects
Benefits of reading this article
Recommended Intake
Healthy adults daily recommended intake:
EPA + DHA: 250-500mg
Pregnancy and lactation: 300-600mg DHA
EPA + DHA: 250-500mg
Pregnancy and lactation: 300-600mg DHA
Food Sources
- Deep-sea fish (salmon, mackerel, sardines, Pacific saury)
- Seaweed and algae oil
- Flaxseed and flaxseed oil
- Chia seeds
- Walnuts
- Perilla seed oil
Precautions
- Fish oil supplements may increase bleeding risk
- Those taking anticoagulants need physician guidance
- High doses may affect immune function
- Choose products tested for heavy metals
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