As a biochemist, I know this perfectly well. But the motivation behind your “this is terrifying” was left as an exercise to the reader, so there was no way of distinguishing it from “omg the chemicals”.
It already is that way. Your steak came from a cow that drank fluoridated water, the salad was watered constantly with fluoride. Your bread was baked with fluoride water, same with your coffee/beer/tea. Your Mayonnaise even.