Omega-3 Fatty Acids

Omega-3 fatty acids are essential nutritional components that play an important role in normal growth and development. They are primarily found in fish, but are now available as supplements for those who cannot obtain enough omega-3 through food. Omega-3 fatty acids may lower triglycerides, prevent blood clots, and reduce blood pressure. Potential side effects include easy bruising or bleeding, nausea, and diarrhea.

 

What Are Omega-3 Fatty Acids?

Omega-3 fatty acids are essential dietary macronutrients. This means that they are important components of the human diet that must be obtained through food. Three omega-3 fatty acids are important for human nutrition, including:
 
Recently, there has been much interest in omega-3 fatty acids for a variety of different health benefits.
 
(Click Benefits of Omega-3 Fatty Acids for more information.)
 

Omega-3 Fatty Acid Side Effects

Omega-3 fatty acid supplements may cause some side effects. These side effects will vary, depending on the type of omega-3 (DHA, EPA, or ALA) and the source (fish, flaxseeds, nuts, or other sources). Omega-3 fatty acid side effects may include:
 
  • Easy bruising or bleeding
  • A fishy aftertaste or bad breath (with fish oil supplements)
  • Heartburn or indigestion
  • Nausea
  • Diarrhea
  • Gas and bloating (with flaxseed).
     
(Click Side Effects of Omega-3 Fatty Acids to learn more, including potentially serious side effects that you should report immediately to your healthcare provider.)
 
(Omega-3 Fatty Acids Continued: Page 2)
Add this article to your Favorites     Email this article     Print
Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;