[RMMZ] TALES-LIKE COOKING SYSTEM

So recently I decided to implement a system similar to Tales of Destiny R or Tales of Graces f, where certain food will activate an appropriate effect during battle. In this case, I have it where activating a 'food tag' will give the entire party a 'state' that will persist until the end of the next battle.

Now at the moment, my current plan is to have battle conditions where if the appropriate switch is activated, and only act once the conditions are met. In this case, if at least one party member has their HP drop past 80% of their max HP, then when their turn comes up the whole party will gain +10% HP and lose their food state. What I'm stuck on (in this particular case) is how to best trigger the activation since it would take up a lot of space to check each individual party member and calculate their health and stuff. I of course plan to do this for status ailments and even in the event of a character being knocked out, but for now I would like some input on what sort of script, variables or whatever can work with this system.

Examples

UPDATE: I think I figured something out, so this can be closed.