Omega-3s are anti-inflammatory Omega-3 fatty acids are a type of unsaturated fat that has been shown to have anti-inflammatory effects. This is important because chronic inflammation is linked to many diseases, such as heart disease, cancer, and Alzheimer’s. A 2017 review of scientific literature found that Omega-3 syrup supplementation in pregnant women and young children may reduce the risk of developing certain types of childhood allergies, such as eczema and asthma.