What Are Omega-3 Fatty Acids? Omega-3 fatty acids are nutrients that your body needs to maintain health. They are actually used as energy to keep organs like your heart and lungs functioning properly. Some types of Omega-3s are DHA, EPA, and ALA. DHA is critical for your heart to function and is extremely important in children’s brain development. EPA is another critical omega-3 that helps maintain heart health, cognitive function, and even is believed to have anti-inflammatory properties. ALA is…