I was not. I did not take it often. However, I did have package of it in my office desk drawer when they took it off the market.
It definitely worked better than TUMS or Rolaids for heartburn.
FYI, my son is a Scientist for a major Pharma corp in MA.
He works in drug development. Mostly on cancer drugs.
The best antacid I have ever used was Titralac. Small pills, best minty taste, dissolved quickly and easily and, most importantly to me, they worked exceptionally well. Never needed more than two.
My father, a family doc, first gave them to me in the ‘70s. After that I found them at Walmart until sometime in the ‘80s when they became unavailable. I searched for them again in recent years and found that they are still made in Australia but found no retail source in the U.S.
Now I use Gelusil tablets but they are big, somewhat chalky and it takes two to four of them depending on how much I screwed up my stomach.