Stop smoking weed, it will stop the cravings for munchies
edit:
and now the more serious answer: there's supposed to be more "healthy" chocolate, e.g.
https://lovechock.com/
I've no idea what this is, only did a quick google for alternatives. They claim they make "Chocolate that honours your body." But that could also be total bullocks
There's also carob, which is an alternative for if you're allergic to cacao