There are many sports drinks out there. Some are higher in calories and sugar than others. Gatorade is a very popular sports drink as well as Powerade. Powerade offers a 'zero' calorie sports drink too.
The Hench Nutrition Protein Powder mini shaker is a high calorie protein drink
a zero calorie drink
Cold stones PB&C milkshake, a 2,000 calorie milkshake.
yes
water
You can get a calorie tracker here www.everydayhealth.com/calorie-counter.aspx.
They're so cheap, Gatorade doesn't want to put too much calorie in their drink.
TAB
Yes. Keep in mind that the only truly calorie free drink is water. The less you eat, the faster you lose weight.
If you replace a sugary or high calorie drink with lemon water, that is a good step to help you lose weight, but you won't get any result if that's all you do.
The only alcohol that won't give you calories is the alcohol you don't drink. Alcohol is not available in 'calorie free' versions.