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How Does Omega-3 Work?

We've heard about the importance of taking fish and krill oil supplements, but how does Omega-3 work in the body? What are fatty acids? Learn more about how these substances interact in the body to aid in everyday bodily functions and preventive healthcare.

What are Omega-3s?

Omega-3 fatty acids are a collection of polyunsaturated fatty acids which include eicosapentaenic acid (EPA) and docosahexanoic acid (DHA). These can be found naturally in fish. Another fatty acid in Omega-3s is alpha-linolenic acid (ALA) which is found in plants. Omega-3 are essential fatty acids which must be obtained from food or supplements.

The Body Needs Omega-3s to Function

The body does not produce its own Omega-3 fatty acids, so getting them from food or supplement sources is important. They also affect how cell receptors in the membranes function.


Omega-3 fatty acids are anti-inflammatory in nature. Omega-3 works to lessen the effects of inflammation by blocking multiple inflammation pathways in the cell.

Other Benefits

Omega-3s can have a great deal of benefits for supporting a healthy heart and brain and other functions of the body:

  • Lower Triglycerides: Omega-3s can help lower elevated triglyceride levels.
  • Infant Development: DHA is known to be an important factor in contributing to visual and neurological development in infants.
  • Memory Improvement: Some research even suggests that Omega-3s might be beneficial for those with Alzheimer's and Dementia.
  • Heart Health Improvement: Omega-3 fatty acids are a form of polyunsaturated fat that helps support heart health. These “good” fats are essential to your body and can help reduce the risk of heart disease.

Try adding Omega-3s to your diet through food and supplements to reap the benefits of these fatty acids.