Do you mean if your
vape is sweet, you vape too much? If that is the case, I assume you are worried about nicotine consumption. If that's the problem, just order in a low nic. Ms. T will make the liquid in any nic level you ask for in the comments. It is not just the numbers in the drop down boxes that are available.
If you are asking because you do not like sweet vapes, then as sox mentioned, snickerdoodle is great. Just use your common
sense, if it sounds sweet it is and if not it isn't.