“By using a diet cola that is calorie-free, you can keep your drink ... R.D.N., owner of Chelsea LeBlanc Nutrition. “Unlike tonic water, which has as much sugar as a soft drink, soda water ...

while the same size serving of gin provides 35 calories. Add regular tonic water or soda and it’s an extra 90 calories per serving, but still significantly less than the 340 calories in a ...