Provided herein are carbonated beverages comprising one or more unsaturated fatty acids (e.g., an omega-3, omega-6, and/or amega-9 polyunsaturated fatty acids), wherein the beverages are characterized by having a low oxygen level of less than 500 ppb. Also provided herein are methods for preparing carbonated beverages comprising one or more unsaturated fatty acids (e.g., an omega-3, omega-6, and/or amega-9 polyunsaturated fatty acids), wherein the beverages are characterized by having a low oxygen level of less than 500 ppb.