A 3-liter bottle of Diet Coke contains the same concentration of sodium as any other size of Diet Coke. Sodium content is typically expressed per serving, not per bottle. Checking the nutrition label of a standard can or bottle will reveal the sodium content per serving, which can then be multiplied by the number of servings in a 3-liter bottle to calculate the total sodium content. For instance, if a single serving (typically 12 fl oz or 355 ml) contains 40mg of sodium, and a 3-liter (101.4 fl oz) bottle contains approximately 8.5 servings, the total sodium content would be approximately 340mg (40mg x 8.5 servings).
Understanding the sodium content of beverages is crucial for individuals managing specific dietary requirements, such as those with high blood pressure or kidney disease. Monitoring sodium intake is essential for overall health, and awareness of hidden sodium sources, such as soft drinks, can contribute significantly to effective dietary management. Historically, the inclusion of sodium in soft drinks has been linked to both flavor enhancement and preservation.