Diet Mtn Dew®. Low calorie Dew®. Per can: 0 calories. 0g sat fat, 0% DV. 50mg sodium, 2% DV. 0g sugars. 12 - 12 fl oz cans (144 fl oz). 12 - 355 ml cans (4.26 L). Sugar free. Very low sodium. 35mg or less per 240 ml (8 fl oz). Caffeine content: 54mg/12 fl oz. Please recycle. mountaindew.com.