The best replacement for regular coke is diet coke.

The best alternatives to regular coke are rated as following:
★★★★★  diet coke
★★  coke zero
★  fountain coke
★  mexican coke

Your alternative for regular coke is not listed? Suggest!
Speaking about regular coke, one probably shouldn't forget about mentos.

Other search terms related to regular coke and their ratings are:
★★★★★ mentos
You have in mind a companion for regular coke and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of regular coke in all years. Click on graph for more.
regular coke
diet coke
coke zero