Tum/Rolaids Supplement a bad idea?

[TsPoet]

I'm not a nutritionist, I'm a toxicologist (piled as high and deep as it goes). My main field is risk assessment based on pharmacokinetics from environmental exposures. So, drugs are not my field. I never see any reason to ingest something extra. Mixture exposures are where much of the research funding lies right now - so you are exposed to x amount of something and that's not harmful. But, now you've got y as well, which also isn't harmful, but what happens when you put x and y together?
Also, deodorant, throat sprays, dandruff shampoo, and other items like that are “addicting” - once you start using them you get to a point where you have to use them because your body adapts to the use. I don't see why antacids wouldn't be the same way.
I assume my post was what made you put this post up there
Disclaimer - much of this is my opinion, I don't know that tums and rolaids cause an adaptation. I also have looked them up and adverse reactions to them are what you might expect, constipation, upset stomach. I haven't found anything too scary about them. I think if someone needs an antacid, it's probably a pretty safe drug to take, I just wouldn't take it if I didn't need it.