Is caffeinated water a good substitute for energy drinks?

Right now, I currently use Starbucks double shot cans twice a day (both the big and small ones). This gives me about 130-150 mg of caffeine per can at a cost of about 420 extra calories a day. I would like to lose weight without cutting caffeine and I feel that the energy drinks are wasted calories. I would also... show more Right now, I currently use Starbucks double shot cans twice a day (both the big and small ones). This gives me about 130-150 mg of caffeine per can at a cost of about 420 extra calories a day.

I would like to lose weight without cutting caffeine and I feel that the energy drinks are wasted calories. I would also like to remove some refined sugar from my diet. Is caffeinated water a good option?
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