Omega-3 fatty acids

Definition

Omega-3 fatty acids are essential polyunsaturated fats crucial for maintaining cardiovascular health. They cannot be synthesized by the body and must be obtained through diet or supplements.

5 Must Know Facts For Your Next Test

1. Omega-3 fatty acids lower triglyceride levels in the blood, reducing the risk of heart disease.
2. There are three main types of omega-3 fatty acids: ALA (alpha-linolenic acid), EPA (eicosapentaenoic acid), and DHA (docosahexaenoic acid).
3. EPA and DHA are primarily found in fish and seafood, while ALA is commonly found in plant oils such as flaxseed, soybean, and canola oils.
4. Omega-3 supplements can interact with anticoagulant medications, potentially increasing bleeding risk.
5. A deficiency in omega-3 fatty acids can lead to increased inflammation and a higher risk of chronic diseases.

Review Questions

• What are the primary dietary sources of EPA and DHA?
• How do omega-3 fatty acids influence triglyceride levels in the blood?
• Why is it important to monitor omega-3 supplement use in patients on anticoagulant therapy?

Related terms

Lipoproteins:

Complexes that transport lipids through the bloodstream.

Apolipoproteins: Proteins that bind lipids to form lipoproteins, aiding their transport.

Triglycerides:

A type of fat found in your blood used for energy; high levels can increase heart disease risk.