I'd be more worried about the harmful artficial colours and the ridiculous amount of sugar...
Caffeine in moderation is ok. Too much can cause growth issues for your child.
Its OK to have a small amount of caffeine each day when pregnant. I was drinking like 6 cans of coke a day after I had my first born but since I found out I'm pregnant I cut down to 1 or 2 cans a day which is still way to much but within the next fee days I'll probably allow myself a can a week.
No bby will b fine I drink a cup of coffe every morning and 1 coke a day and lots if water. As long as its w moderation