i get mine from lots of veggies!! greens, broccoli, and other stuff! and milk of course.... both dairy, and nut milks.
the city water..... after i saw the chemical ball it left in my humidifier from precipitated chemicals out of the water.... yeah no thanks. i live in the high five state as well... but i def prefer purified water. ive been drinking my RO water. i feel that it's fine as i have a very healthy diet, eat lots of fruits and veggies, and dont eat the garbage food. i spend more money on food than anything (which im trying to work on with gardens, and fishing). but quality food is so important!